Home / 708,848,008.20-1,063,272,012.30-613,296,520.20

Finding the Fourth Proportional to 708,848,008.20, 1,063,272,012.30 and 613,296,520.20

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Solution

The fourth proportional to 708,848,008.20, 1,063,272,012.30 and 613,296,520.20 is: 919,944,780.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,848,008.20 : 1,063,272,012.30 = 613,296,520.20 : x
  2. Step 2: Convert to fraction form
    708,848,008.20/1,063,272,012.30 = 613,296,520.20/x
  3. Step 3: Cross multiply
    708,848,008.20x = 1,063,272,012.30 × 613,296,520.20
  4. Step 4: Simplify right side
    708,848,008.20x = 652,101,025,169,641,600
  5. Step 5: Solve for x
    x = 652,101,025,169,641,600/708,848,008.20
  6. Step 6: Final answer
    x = 919,944,780.30

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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.