Home / 976,218,663.86-1,347,264,841.86-552,907,628.90

Finding the Fourth Proportional to 976,218,663.86, 1,347,264,841.86 and 552,907,628.90

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Solution

The fourth proportional to 976,218,663.86, 1,347,264,841.86 and 552,907,628.90 is: 763,059,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,218,663.86 : 1,347,264,841.86 = 552,907,628.90 : x
  2. Step 2: Convert to fraction form
    976,218,663.86/1,347,264,841.86 = 552,907,628.90/x
  3. Step 3: Cross multiply
    976,218,663.86x = 1,347,264,841.86 × 552,907,628.90
  4. Step 4: Simplify right side
    976,218,663.86x = 744,913,009,213,145,984
  5. Step 5: Solve for x
    x = 744,913,009,213,145,984/976,218,663.86
  6. Step 6: Final answer
    x = 763,059,585.72

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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.