Home / 245,532,030,012.70-368,298,045,019.05-119,843,257,443.10

Finding the Fourth Proportional to 245,532,030,012.70, 368,298,045,019.05 and 119,843,257,443.10

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Solution

The fourth proportional to 245,532,030,012.70, 368,298,045,019.05 and 119,843,257,443.10 is: 179,764,886,164.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,532,030,012.70 : 368,298,045,019.05 = 119,843,257,443.10 : x
  2. Step 2: Convert to fraction form
    245,532,030,012.70/368,298,045,019.05 = 119,843,257,443.10/x
  3. Step 3: Cross multiply
    245,532,030,012.70x = 368,298,045,019.05 × 119,843,257,443.10
  4. Step 4: Simplify right side
    245,532,030,012.70x = 44,138,037,425,008,445,227,008
  5. Step 5: Solve for x
    x = 44,138,037,425,008,445,227,008/245,532,030,012.70
  6. Step 6: Final answer
    x = 179,764,886,164.65

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Double scale
Find fourth proportional to 245,532,030,013.70, 368,298,045,020.55 and 119,843,257,444.10
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.