Home / 466,132,392.40-699,291,900.60-138,607,272.40

Finding the Fourth Proportional to 466,132,392.40, 699,291,900.60 and 138,607,272.40

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Solution

The fourth proportional to 466,132,392.40, 699,291,900.60 and 138,607,272.40 is: 207,938,655.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,132,392.40 : 699,291,900.60 = 138,607,272.40 : x
  2. Step 2: Convert to fraction form
    466,132,392.40/699,291,900.60 = 138,607,272.40/x
  3. Step 3: Cross multiply
    466,132,392.40x = 699,291,900.60 × 138,607,272.40
  4. Step 4: Simplify right side
    466,132,392.40x = 96,926,942,953,577,936
  5. Step 5: Solve for x
    x = 96,926,942,953,577,936/466,132,392.40
  6. Step 6: Final answer
    x = 207,938,655.48

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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.