Home / 688,451,156.24-1,032,981,689.70-360,848,813.27

Finding the Fourth Proportional to 688,451,156.24, 1,032,981,689.70 and 360,848,813.27

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Solution

The fourth proportional to 688,451,156.24, 1,032,981,689.70 and 360,848,813.27 is: 541,433,060.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    688,451,156.24 : 1,032,981,689.70 = 360,848,813.27 : x
  2. Step 2: Convert to fraction form
    688,451,156.24/1,032,981,689.70 = 360,848,813.27/x
  3. Step 3: Cross multiply
    688,451,156.24x = 1,032,981,689.70 × 360,848,813.27
  4. Step 4: Simplify right side
    688,451,156.24x = 372,750,216,852,719,488
  5. Step 5: Solve for x
    x = 372,750,216,852,719,488/688,451,156.24
  6. Step 6: Final answer
    x = 541,433,060.98

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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.