Home / 758,208,728.80-1,137,313,093.20-495,180,863.20

Finding the Fourth Proportional to 758,208,728.80, 1,137,313,093.20 and 495,180,863.20

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Solution

The fourth proportional to 758,208,728.80, 1,137,313,093.20 and 495,180,863.20 is: 742,771,294.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,208,728.80 : 1,137,313,093.20 = 495,180,863.20 : x
  2. Step 2: Convert to fraction form
    758,208,728.80/1,137,313,093.20 = 495,180,863.20/x
  3. Step 3: Cross multiply
    758,208,728.80x = 1,137,313,093.20 × 495,180,863.20
  4. Step 4: Simplify right side
    758,208,728.80x = 563,175,679,219,438,080
  5. Step 5: Solve for x
    x = 563,175,679,219,438,080/758,208,728.80
  6. Step 6: Final answer
    x = 742,771,294.80

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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.