Home / 1,935,366,977.60-2,903,050,466.40-642,902,465.60

Finding the Fourth Proportional to 1,935,366,977.60, 2,903,050,466.40 and 642,902,465.60

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Solution

The fourth proportional to 1,935,366,977.60, 2,903,050,466.40 and 642,902,465.60 is: 964,353,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,935,366,977.60 : 2,903,050,466.40 = 642,902,465.60 : x
  2. Step 2: Convert to fraction form
    1,935,366,977.60/2,903,050,466.40 = 642,902,465.60/x
  3. Step 3: Cross multiply
    1,935,366,977.60x = 2,903,050,466.40 × 642,902,465.60
  4. Step 4: Simplify right side
    1,935,366,977.60x = 1,866,378,302,609,790,208
  5. Step 5: Solve for x
    x = 1,866,378,302,609,790,208/1,935,366,977.60
  6. Step 6: Final answer
    x = 964,353,698.40

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Double scale
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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.