Home / 726,205,714.80-1,088,647,223.40-266,032,921.20

Finding the Fourth Proportional to 726,205,714.80, 1,088,647,223.40 and 266,032,921.20

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Solution

The fourth proportional to 726,205,714.80, 1,088,647,223.40 and 266,032,921.20 is: 398,807,108.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,205,714.80 : 1,088,647,223.40 = 266,032,921.20 : x
  2. Step 2: Convert to fraction form
    726,205,714.80/1,088,647,223.40 = 266,032,921.20/x
  3. Step 3: Cross multiply
    726,205,714.80x = 1,088,647,223.40 × 266,032,921.20
  4. Step 4: Simplify right side
    726,205,714.80x = 289,616,000,997,371,008
  5. Step 5: Solve for x
    x = 289,616,000,997,371,008/726,205,714.80
  6. Step 6: Final answer
    x = 398,807,108.09

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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.