Home / 372,325,643.40-558,488,465.10-314,930,015.40

Finding the Fourth Proportional to 372,325,643.40, 558,488,465.10 and 314,930,015.40

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Solution

The fourth proportional to 372,325,643.40, 558,488,465.10 and 314,930,015.40 is: 472,395,023.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,325,643.40 : 558,488,465.10 = 314,930,015.40 : x
  2. Step 2: Convert to fraction form
    372,325,643.40/558,488,465.10 = 314,930,015.40/x
  3. Step 3: Cross multiply
    372,325,643.40x = 558,488,465.10 × 314,930,015.40
  4. Step 4: Simplify right side
    372,325,643.40x = 175,884,780,914,665,344
  5. Step 5: Solve for x
    x = 175,884,780,914,665,344/372,325,643.40
  6. Step 6: Final answer
    x = 472,395,023.10

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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.