Home / 531,941,827.59-797,220,639.72-216,440,172.63

Finding the Fourth Proportional to 531,941,827.59, 797,220,639.72 and 216,440,172.63

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Solution

The fourth proportional to 531,941,827.59, 797,220,639.72 and 216,440,172.63 is: 324,378,651.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,941,827.59 : 797,220,639.72 = 216,440,172.63 : x
  2. Step 2: Convert to fraction form
    531,941,827.59/797,220,639.72 = 216,440,172.63/x
  3. Step 3: Cross multiply
    531,941,827.59x = 797,220,639.72 × 216,440,172.63
  4. Step 4: Simplify right side
    531,941,827.59x = 172,550,572,885,195,840
  5. Step 5: Solve for x
    x = 172,550,572,885,195,840/531,941,827.59
  6. Step 6: Final answer
    x = 324,378,651.83

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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.