Home / 708,968,232.72-1,063,610,454.60-217,731,077.89

Finding the Fourth Proportional to 708,968,232.72, 1,063,610,454.60 and 217,731,077.89

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Solution

The fourth proportional to 708,968,232.72, 1,063,610,454.60 and 217,731,077.89 is: 326,645,172.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,968,232.72 : 1,063,610,454.60 = 217,731,077.89 : x
  2. Step 2: Convert to fraction form
    708,968,232.72/1,063,610,454.60 = 217,731,077.89/x
  3. Step 3: Cross multiply
    708,968,232.72x = 1,063,610,454.60 × 217,731,077.89
  4. Step 4: Simplify right side
    708,968,232.72x = 231,581,050,732,471,872
  5. Step 5: Solve for x
    x = 231,581,050,732,471,872/708,968,232.72
  6. Step 6: Final answer
    x = 326,645,172.58

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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.