Home / 372,154,658.40-558,231,987.60-366,415,095.60

Finding the Fourth Proportional to 372,154,658.40, 558,231,987.60 and 366,415,095.60

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Solution

The fourth proportional to 372,154,658.40, 558,231,987.60 and 366,415,095.60 is: 549,622,643.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,154,658.40 : 558,231,987.60 = 366,415,095.60 : x
  2. Step 2: Convert to fraction form
    372,154,658.40/558,231,987.60 = 366,415,095.60/x
  3. Step 3: Cross multiply
    372,154,658.40x = 558,231,987.60 × 366,415,095.60
  4. Step 4: Simplify right side
    372,154,658.40x = 204,544,627,103,432,032
  5. Step 5: Solve for x
    x = 204,544,627,103,432,032/372,154,658.40
  6. Step 6: Final answer
    x = 549,622,643.40

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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.