Home / 557,005,828.10-835,508,742.15-148,061,978.60

Finding the Fourth Proportional to 557,005,828.10, 835,508,742.15 and 148,061,978.60

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Solution

The fourth proportional to 557,005,828.10, 835,508,742.15 and 148,061,978.60 is: 222,092,967.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,005,828.10 : 835,508,742.15 = 148,061,978.60 : x
  2. Step 2: Convert to fraction form
    557,005,828.10/835,508,742.15 = 148,061,978.60/x
  3. Step 3: Cross multiply
    557,005,828.10x = 835,508,742.15 × 148,061,978.60
  4. Step 4: Simplify right side
    557,005,828.10x = 123,707,077,500,326,208
  5. Step 5: Solve for x
    x = 123,707,077,500,326,208/557,005,828.10
  6. Step 6: Final answer
    x = 222,092,967.90

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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.