Home / 402,998,400.64-604,495,608.36-157,379,978.44

Finding the Fourth Proportional to 402,998,400.64, 604,495,608.36 and 157,379,978.44

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Solution

The fourth proportional to 402,998,400.64, 604,495,608.36 and 157,379,978.44 is: 236,069,189.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,998,400.64 : 604,495,608.36 = 157,379,978.44 : x
  2. Step 2: Convert to fraction form
    402,998,400.64/604,495,608.36 = 157,379,978.44/x
  3. Step 3: Cross multiply
    402,998,400.64x = 604,495,608.36 × 157,379,978.44
  4. Step 4: Simplify right side
    402,998,400.64x = 95,135,505,810,771,488
  5. Step 5: Solve for x
    x = 95,135,505,810,771,488/402,998,400.64
  6. Step 6: Final answer
    x = 236,069,189.50

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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.