Home / 353,887,261.61-488,573,910.17-314,620,580.80

Finding the Fourth Proportional to 353,887,261.61, 488,573,910.17 and 314,620,580.80

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Solution

The fourth proportional to 353,887,261.61, 488,573,910.17 and 314,620,580.80 is: 434,362,646.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,887,261.61 : 488,573,910.17 = 314,620,580.80 : x
  2. Step 2: Convert to fraction form
    353,887,261.61/488,573,910.17 = 314,620,580.80/x
  3. Step 3: Cross multiply
    353,887,261.61x = 488,573,910.17 × 314,620,580.80
  4. Step 4: Simplify right side
    353,887,261.61x = 153,715,407,381,412,448
  5. Step 5: Solve for x
    x = 153,715,407,381,412,448/353,887,261.61
  6. Step 6: Final answer
    x = 434,362,646.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.