Home / 1,625,432,813.60-2,438,149,220.40-398,601,265.10

Finding the Fourth Proportional to 1,625,432,813.60, 2,438,149,220.40 and 398,601,265.10

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Solution

The fourth proportional to 1,625,432,813.60, 2,438,149,220.40 and 398,601,265.10 is: 597,901,897.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,625,432,813.60 : 2,438,149,220.40 = 398,601,265.10 : x
  2. Step 2: Convert to fraction form
    1,625,432,813.60/2,438,149,220.40 = 398,601,265.10/x
  3. Step 3: Cross multiply
    1,625,432,813.60x = 2,438,149,220.40 × 398,601,265.10
  4. Step 4: Simplify right side
    1,625,432,813.60x = 971,849,363,754,018,816
  5. Step 5: Solve for x
    x = 971,849,363,754,018,816/1,625,432,813.60
  6. Step 6: Final answer
    x = 597,901,897.65

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Double scale
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Similar ratio
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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.