Home / 434,497,493.40-651,746,240.10-386,124,552.60

Finding the Fourth Proportional to 434,497,493.40, 651,746,240.10 and 386,124,552.60

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Solution

The fourth proportional to 434,497,493.40, 651,746,240.10 and 386,124,552.60 is: 579,186,828.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,497,493.40 : 651,746,240.10 = 386,124,552.60 : x
  2. Step 2: Convert to fraction form
    434,497,493.40/651,746,240.10 = 386,124,552.60/x
  3. Step 3: Cross multiply
    434,497,493.40x = 651,746,240.10 × 386,124,552.60
  4. Step 4: Simplify right side
    434,497,493.40x = 251,655,225,367,344,704
  5. Step 5: Solve for x
    x = 251,655,225,367,344,704/434,497,493.40
  6. Step 6: Final answer
    x = 579,186,828.90

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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.