Home / 976,218,890.95-1,347,265,153.11-552,907,853.86

Finding the Fourth Proportional to 976,218,890.95, 1,347,265,153.11 and 552,907,853.86

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Solution

The fourth proportional to 976,218,890.95, 1,347,265,153.11 and 552,907,853.86 is: 763,059,894.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,218,890.95 : 1,347,265,153.11 = 552,907,853.86 : x
  2. Step 2: Convert to fraction form
    976,218,890.95/1,347,265,153.11 = 552,907,853.86/x
  3. Step 3: Cross multiply
    976,218,890.95x = 1,347,265,153.11 × 552,907,853.86
  4. Step 4: Simplify right side
    976,218,890.95x = 744,913,484,386,414,336
  5. Step 5: Solve for x
    x = 744,913,484,386,414,336/976,218,890.95
  6. Step 6: Final answer
    x = 763,059,894.96

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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.