Home / 513,622,599.75-770,272,058.39-168,495,803.91

Finding the Fourth Proportional to 513,622,599.75, 770,272,058.39 and 168,495,803.91

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Solution

The fourth proportional to 513,622,599.75, 770,272,058.39 and 168,495,803.91 is: 252,690,613.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,622,599.75 : 770,272,058.39 = 168,495,803.91 : x
  2. Step 2: Convert to fraction form
    513,622,599.75/770,272,058.39 = 168,495,803.91/x
  3. Step 3: Cross multiply
    513,622,599.75x = 770,272,058.39 × 168,495,803.91
  4. Step 4: Simplify right side
    513,622,599.75x = 129,787,609,706,991,024
  5. Step 5: Solve for x
    x = 129,787,609,706,991,024/513,622,599.75
  6. Step 6: Final answer
    x = 252,690,613.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.