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Finding the Fourth Proportional to 661,589,827.48, 912,977,275.08 and 364,229,101

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Solution

The fourth proportional to 661,589,827.48, 912,977,275.08 and 364,229,101 is: 502,626,972.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,589,827.48 : 912,977,275.08 = 364,229,101 : x
  2. Step 2: Convert to fraction form
    661,589,827.48/912,977,275.08 = 364,229,101/x
  3. Step 3: Cross multiply
    661,589,827.48x = 912,977,275.08 × 364,229,101
  4. Step 4: Simplify right side
    661,589,827.48x = 332,532,892,135,818,112
  5. Step 5: Solve for x
    x = 332,532,892,135,818,112/661,589,827.48
  6. Step 6: Final answer
    x = 502,626,972.67

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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.