Home / 782,755,037.17-1,080,174,427.88-430,328,461.79

Finding the Fourth Proportional to 782,755,037.17, 1,080,174,427.88 and 430,328,461.79

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Solution

The fourth proportional to 782,755,037.17, 1,080,174,427.88 and 430,328,461.79 is: 593,838,145.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,755,037.17 : 1,080,174,427.88 = 430,328,461.79 : x
  2. Step 2: Convert to fraction form
    782,755,037.17/1,080,174,427.88 = 430,328,461.79/x
  3. Step 3: Cross multiply
    782,755,037.17x = 1,080,174,427.88 × 430,328,461.79
  4. Step 4: Simplify right side
    782,755,037.17x = 464,829,800,015,042,496
  5. Step 5: Solve for x
    x = 464,829,800,015,042,496/782,755,037.17
  6. Step 6: Final answer
    x = 593,838,145.96

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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.