Home / 782,747,507.04-1,080,192,254.61-430,329,493.77

Finding the Fourth Proportional to 782,747,507.04, 1,080,192,254.61 and 430,329,493.77

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Solution

The fourth proportional to 782,747,507.04, 1,080,192,254.61 and 430,329,493.77 is: 593,855,083.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,747,507.04 : 1,080,192,254.61 = 430,329,493.77 : x
  2. Step 2: Convert to fraction form
    782,747,507.04/1,080,192,254.61 = 430,329,493.77/x
  3. Step 3: Cross multiply
    782,747,507.04x = 1,080,192,254.61 × 430,329,493.77
  4. Step 4: Simplify right side
    782,747,507.04x = 464,838,586,100,596,160
  5. Step 5: Solve for x
    x = 464,838,586,100,596,160/782,747,507.04
  6. Step 6: Final answer
    x = 593,855,083.43

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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.