Home / 353,887,260.86-488,573,909.13-314,620,580.05

Finding the Fourth Proportional to 353,887,260.86, 488,573,909.13 and 314,620,580.05

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Solution

The fourth proportional to 353,887,260.86, 488,573,909.13 and 314,620,580.05 is: 434,362,645.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,887,260.86 : 488,573,909.13 = 314,620,580.05 : x
  2. Step 2: Convert to fraction form
    353,887,260.86/488,573,909.13 = 314,620,580.05/x
  3. Step 3: Cross multiply
    353,887,260.86x = 488,573,909.13 × 314,620,580.05
  4. Step 4: Simplify right side
    353,887,260.86x = 153,715,406,686,555,168
  5. Step 5: Solve for x
    x = 153,715,406,686,555,168/353,887,260.86
  6. Step 6: Final answer
    x = 434,362,645.08

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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.