Home / 531,472,543.40-796,611,618.30-272,587,730.60

Finding the Fourth Proportional to 531,472,543.40, 796,611,618.30 and 272,587,730.60

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Solution

The fourth proportional to 531,472,543.40, 796,611,618.30 and 272,587,730.60 is: 408,575,298.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,472,543.40 : 796,611,618.30 = 272,587,730.60 : x
  2. Step 2: Convert to fraction form
    531,472,543.40/796,611,618.30 = 272,587,730.60/x
  3. Step 3: Cross multiply
    531,472,543.40x = 796,611,618.30 × 272,587,730.60
  4. Step 4: Simplify right side
    531,472,543.40x = 217,146,553,201,990,432
  5. Step 5: Solve for x
    x = 217,146,553,201,990,432/531,472,543.40
  6. Step 6: Final answer
    x = 408,575,298.76

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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.