Home / 1,724,366,065.84-2,379,626,123.84-931,412,040.32

Finding the Fourth Proportional to 1,724,366,065.84, 2,379,626,123.84 and 931,412,040.32

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Solution

The fourth proportional to 1,724,366,065.84, 2,379,626,123.84 and 931,412,040.32 is: 1,285,349,130.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,724,366,065.84 : 2,379,626,123.84 = 931,412,040.32 : x
  2. Step 2: Convert to fraction form
    1,724,366,065.84/2,379,626,123.84 = 931,412,040.32/x
  3. Step 3: Cross multiply
    1,724,366,065.84x = 2,379,626,123.84 × 931,412,040.32
  4. Step 4: Simplify right side
    1,724,366,065.84x = 2,216,412,423,204,587,776
  5. Step 5: Solve for x
    x = 2,216,412,423,204,587,776/1,724,366,065.84
  6. Step 6: Final answer
    x = 1,285,349,130.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.