Home / 479,495,087.40-661,703,195.34-259,478,513.40

Finding the Fourth Proportional to 479,495,087.40, 661,703,195.34 and 259,478,513.40

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Solution

The fourth proportional to 479,495,087.40, 661,703,195.34 and 259,478,513.40 is: 358,080,334.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,495,087.40 : 661,703,195.34 = 259,478,513.40 : x
  2. Step 2: Convert to fraction form
    479,495,087.40/661,703,195.34 = 259,478,513.40/x
  3. Step 3: Cross multiply
    479,495,087.40x = 661,703,195.34 × 259,478,513.40
  4. Step 4: Simplify right side
    479,495,087.40x = 171,697,761,438,853,024
  5. Step 5: Solve for x
    x = 171,697,761,438,853,024/479,495,087.40
  6. Step 6: Final answer
    x = 358,080,334.82

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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.