Home / 2,657,448,234.60-3,986,172,351.90-816,961,763.40

Finding the Fourth Proportional to 2,657,448,234.60, 3,986,172,351.90 and 816,961,763.40

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Solution

The fourth proportional to 2,657,448,234.60, 3,986,172,351.90 and 816,961,763.40 is: 1,225,442,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,657,448,234.60 : 3,986,172,351.90 = 816,961,763.40 : x
  2. Step 2: Convert to fraction form
    2,657,448,234.60/3,986,172,351.90 = 816,961,763.40/x
  3. Step 3: Cross multiply
    2,657,448,234.60x = 3,986,172,351.90 × 816,961,763.40
  4. Step 4: Simplify right side
    2,657,448,234.60x = 3,256,550,393,824,549,376
  5. Step 5: Solve for x
    x = 3,256,550,393,824,549,376/2,657,448,234.60
  6. Step 6: Final answer
    x = 1,225,442,645.10

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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.