Home / 443,864,743.29-666,060,141.38-247,292,689.05

Finding the Fourth Proportional to 443,864,743.29, 666,060,141.38 and 247,292,689.05

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Solution

The fourth proportional to 443,864,743.29, 666,060,141.38 and 247,292,689.05 is: 371,085,574.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,864,743.29 : 666,060,141.38 = 247,292,689.05 : x
  2. Step 2: Convert to fraction form
    443,864,743.29/666,060,141.38 = 247,292,689.05/x
  3. Step 3: Cross multiply
    443,864,743.29x = 666,060,141.38 × 247,292,689.05
  4. Step 4: Simplify right side
    443,864,743.29x = 164,711,803,429,646,912
  5. Step 5: Solve for x
    x = 164,711,803,429,646,912/443,864,743.29
  6. Step 6: Final answer
    x = 371,085,574.87

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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.