Home / 434,497,489.40-651,746,234.10-386,124,548.60

Finding the Fourth Proportional to 434,497,489.40, 651,746,234.10 and 386,124,548.60

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Solution

The fourth proportional to 434,497,489.40, 651,746,234.10 and 386,124,548.60 is: 579,186,822.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,497,489.40 : 651,746,234.10 = 386,124,548.60 : x
  2. Step 2: Convert to fraction form
    434,497,489.40/651,746,234.10 = 386,124,548.60/x
  3. Step 3: Cross multiply
    434,497,489.40x = 651,746,234.10 × 386,124,548.60
  4. Step 4: Simplify right side
    434,497,489.40x = 251,655,220,443,612,448
  5. Step 5: Solve for x
    x = 251,655,220,443,612,448/434,497,489.40
  6. Step 6: Final answer
    x = 579,186,822.90

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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.