Home / 386,244,604.10-579,366,906.15-343,918,280.90

Finding the Fourth Proportional to 386,244,604.10, 579,366,906.15 and 343,918,280.90

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Solution

The fourth proportional to 386,244,604.10, 579,366,906.15 and 343,918,280.90 is: 515,877,421.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,244,604.10 : 579,366,906.15 = 343,918,280.90 : x
  2. Step 2: Convert to fraction form
    386,244,604.10/579,366,906.15 = 343,918,280.90/x
  3. Step 3: Cross multiply
    386,244,604.10x = 579,366,906.15 × 343,918,280.90
  4. Step 4: Simplify right side
    386,244,604.10x = 199,254,870,373,459,616
  5. Step 5: Solve for x
    x = 199,254,870,373,459,616/386,244,604.10
  6. Step 6: Final answer
    x = 515,877,421.35

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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.