Home / 434,484,671.40-651,727,007.10-386,867,557.80

Finding the Fourth Proportional to 434,484,671.40, 651,727,007.10 and 386,867,557.80

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Solution

The fourth proportional to 434,484,671.40, 651,727,007.10 and 386,867,557.80 is: 580,301,336.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,484,671.40 : 651,727,007.10 = 386,867,557.80 : x
  2. Step 2: Convert to fraction form
    434,484,671.40/651,727,007.10 = 386,867,557.80/x
  3. Step 3: Cross multiply
    434,484,671.40x = 651,727,007.10 × 386,867,557.80
  4. Step 4: Simplify right side
    434,484,671.40x = 252,132,035,589,080,288
  5. Step 5: Solve for x
    x = 252,132,035,589,080,288/434,484,671.40
  6. Step 6: Final answer
    x = 580,301,336.70

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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.