Home / 397,614,516,563.49-596,505,538,803.90-128,982,521,178.16

Finding the Fourth Proportional to 397,614,516,563.49, 596,505,538,803.90 and 128,982,521,178.16

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Solution

The fourth proportional to 397,614,516,563.49, 596,505,538,803.90 and 128,982,521,178.16 is: 193,500,954,031.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    397,614,516,563.49 : 596,505,538,803.90 = 128,982,521,178.16 : x
  2. Step 2: Convert to fraction form
    397,614,516,563.49/596,505,538,803.90 = 128,982,521,178.16/x
  3. Step 3: Cross multiply
    397,614,516,563.49x = 596,505,538,803.90 × 128,982,521,178.16
  4. Step 4: Simplify right side
    397,614,516,563.49x = 76,938,788,291,663,781,429,248
  5. Step 5: Solve for x
    x = 76,938,788,291,663,781,429,248/397,614,516,563.49
  6. Step 6: Final answer
    x = 193,500,954,031.14

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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.