Home / 676,577,091.20-1,014,960,115.20-288,396,838.40

Finding the Fourth Proportional to 676,577,091.20, 1,014,960,115.20 and 288,396,838.40

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Solution

The fourth proportional to 676,577,091.20, 1,014,960,115.20 and 288,396,838.40 is: 432,635,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,577,091.20 : 1,014,960,115.20 = 288,396,838.40 : x
  2. Step 2: Convert to fraction form
    676,577,091.20/1,014,960,115.20 = 288,396,838.40/x
  3. Step 3: Cross multiply
    676,577,091.20x = 1,014,960,115.20 × 288,396,838.40
  4. Step 4: Simplify right side
    676,577,091.20x = 292,711,288,325,779,776
  5. Step 5: Solve for x
    x = 292,711,288,325,779,776/676,577,091.20
  6. Step 6: Final answer
    x = 432,635,529.84

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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.