Home / 769,669,531.23-1,154,387,646.54-209,475,013.98

Finding the Fourth Proportional to 769,669,531.23, 1,154,387,646.54 and 209,475,013.98

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Solution

The fourth proportional to 769,669,531.23, 1,154,387,646.54 and 209,475,013.98 is: 314,180,773.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,669,531.23 : 1,154,387,646.54 = 209,475,013.98 : x
  2. Step 2: Convert to fraction form
    769,669,531.23/1,154,387,646.54 = 209,475,013.98/x
  3. Step 3: Cross multiply
    769,669,531.23x = 1,154,387,646.54 × 209,475,013.98
  4. Step 4: Simplify right side
    769,669,531.23x = 241,815,368,397,305,792
  5. Step 5: Solve for x
    x = 241,815,368,397,305,792/769,669,531.23
  6. Step 6: Final answer
    x = 314,180,773.16

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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.