Home / 454,491,154.31-681,637,775.04-122,490,415.35

Finding the Fourth Proportional to 454,491,154.31, 681,637,775.04 and 122,490,415.35

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Solution

The fourth proportional to 454,491,154.31, 681,637,775.04 and 122,490,415.35 is: 183,708,953.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,491,154.31 : 681,637,775.04 = 122,490,415.35 : x
  2. Step 2: Convert to fraction form
    454,491,154.31/681,637,775.04 = 122,490,415.35/x
  3. Step 3: Cross multiply
    454,491,154.31x = 681,637,775.04 × 122,490,415.35
  4. Step 4: Simplify right side
    454,491,154.31x = 83,494,094,182,899,456
  5. Step 5: Solve for x
    x = 83,494,094,182,899,456/454,491,154.31
  6. Step 6: Final answer
    x = 183,708,953.17

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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.