Home / 502,023,986.40-753,035,979.60-178,791,218.40

Finding the Fourth Proportional to 502,023,986.40, 753,035,979.60 and 178,791,218.40

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Solution

The fourth proportional to 502,023,986.40, 753,035,979.60 and 178,791,218.40 is: 268,186,827.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,023,986.40 : 753,035,979.60 = 178,791,218.40 : x
  2. Step 2: Convert to fraction form
    502,023,986.40/753,035,979.60 = 178,791,218.40/x
  3. Step 3: Cross multiply
    502,023,986.40x = 753,035,979.60 × 178,791,218.40
  4. Step 4: Simplify right side
    502,023,986.40x = 134,636,220,291,721,552
  5. Step 5: Solve for x
    x = 134,636,220,291,721,552/502,023,986.40
  6. Step 6: Final answer
    x = 268,186,827.60

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1.5x scale

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.