Home / 353,887,261.17-488,573,909.56-314,620,580.36

Finding the Fourth Proportional to 353,887,261.17, 488,573,909.56 and 314,620,580.36

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Solution

The fourth proportional to 353,887,261.17, 488,573,909.56 and 314,620,580.36 is: 434,362,645.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,887,261.17 : 488,573,909.56 = 314,620,580.36 : x
  2. Step 2: Convert to fraction form
    353,887,261.17/488,573,909.56 = 314,620,580.36/x
  3. Step 3: Cross multiply
    353,887,261.17x = 488,573,909.56 × 314,620,580.36
  4. Step 4: Simplify right side
    353,887,261.17x = 153,715,406,972,078,496
  5. Step 5: Solve for x
    x = 153,715,406,972,078,496/353,887,261.17
  6. Step 6: Final answer
    x = 434,362,645.50

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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.