Home / 557,005,812.10-835,508,718.15-148,061,962.60

Finding the Fourth Proportional to 557,005,812.10, 835,508,718.15 and 148,061,962.60

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Solution

The fourth proportional to 557,005,812.10, 835,508,718.15 and 148,061,962.60 is: 222,092,943.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,005,812.10 : 835,508,718.15 = 148,061,962.60 : x
  2. Step 2: Convert to fraction form
    557,005,812.10/835,508,718.15 = 148,061,962.60/x
  3. Step 3: Cross multiply
    557,005,812.10x = 835,508,718.15 × 148,061,962.60
  4. Step 4: Simplify right side
    557,005,812.10x = 123,707,060,578,699,232
  5. Step 5: Solve for x
    x = 123,707,060,578,699,232/557,005,812.10
  6. Step 6: Final answer
    x = 222,092,943.90

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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.