Home / 648,335,521.85-894,703,296.51-350,977,755.92

Finding the Fourth Proportional to 648,335,521.85, 894,703,296.51 and 350,977,755.92

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Solution

The fourth proportional to 648,335,521.85, 894,703,296.51 and 350,977,755.92 is: 484,349,452.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,335,521.85 : 894,703,296.51 = 350,977,755.92 : x
  2. Step 2: Convert to fraction form
    648,335,521.85/894,703,296.51 = 350,977,755.92/x
  3. Step 3: Cross multiply
    648,335,521.85x = 894,703,296.51 × 350,977,755.92
  4. Step 4: Simplify right side
    648,335,521.85x = 314,020,955,218,832,640
  5. Step 5: Solve for x
    x = 314,020,955,218,832,640/648,335,521.85
  6. Step 6: Final answer
    x = 484,349,452.77

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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.