Home / 531,350,031.28-733,267,815.60-293,205,807.40

Finding the Fourth Proportional to 531,350,031.28, 733,267,815.60 and 293,205,807.40

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Solution

The fourth proportional to 531,350,031.28, 733,267,815.60 and 293,205,807.40 is: 404,626,647.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,350,031.28 : 733,267,815.60 = 293,205,807.40 : x
  2. Step 2: Convert to fraction form
    531,350,031.28/733,267,815.60 = 293,205,807.40/x
  3. Step 3: Cross multiply
    531,350,031.28x = 733,267,815.60 × 293,205,807.40
  4. Step 4: Simplify right side
    531,350,031.28x = 214,998,381,913,432,320
  5. Step 5: Solve for x
    x = 214,998,381,913,432,320/531,350,031.28
  6. Step 6: Final answer
    x = 404,626,647.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.