Home / 353,887,262.17-488,573,910.94-314,620,581.36

Finding the Fourth Proportional to 353,887,262.17, 488,573,910.94 and 314,620,581.36

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Solution

The fourth proportional to 353,887,262.17, 488,573,910.94 and 314,620,581.36 is: 434,362,646.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,887,262.17 : 488,573,910.94 = 314,620,581.36 : x
  2. Step 2: Convert to fraction form
    353,887,262.17/488,573,910.94 = 314,620,581.36/x
  3. Step 3: Cross multiply
    353,887,262.17x = 488,573,910.94 × 314,620,581.36
  4. Step 4: Simplify right side
    353,887,262.17x = 153,715,407,897,271,680
  5. Step 5: Solve for x
    x = 153,715,407,897,271,680/353,887,262.17
  6. Step 6: Final answer
    x = 434,362,646.89

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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.