Home / 712,179,624.30-1,068,269,436.45-647,556,398.70

Finding the Fourth Proportional to 712,179,624.30, 1,068,269,436.45 and 647,556,398.70

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Solution

The fourth proportional to 712,179,624.30, 1,068,269,436.45 and 647,556,398.70 is: 971,334,598.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,179,624.30 : 1,068,269,436.45 = 647,556,398.70 : x
  2. Step 2: Convert to fraction form
    712,179,624.30/1,068,269,436.45 = 647,556,398.70/x
  3. Step 3: Cross multiply
    712,179,624.30x = 1,068,269,436.45 × 647,556,398.70
  4. Step 4: Simplify right side
    712,179,624.30x = 691,764,709,108,840,576
  5. Step 5: Solve for x
    x = 691,764,709,108,840,576/712,179,624.30
  6. Step 6: Final answer
    x = 971,334,598.05

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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.