Home / 798,358,851.20-1,197,538,276.80-453,179,100.80

Finding the Fourth Proportional to 798,358,851.20, 1,197,538,276.80 and 453,179,100.80

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Solution

The fourth proportional to 798,358,851.20, 1,197,538,276.80 and 453,179,100.80 is: 679,768,651.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,358,851.20 : 1,197,538,276.80 = 453,179,100.80 : x
  2. Step 2: Convert to fraction form
    798,358,851.20/1,197,538,276.80 = 453,179,100.80/x
  3. Step 3: Cross multiply
    798,358,851.20x = 1,197,538,276.80 × 453,179,100.80
  4. Step 4: Simplify right side
    798,358,851.20x = 542,699,319,453,805,504
  5. Step 5: Solve for x
    x = 542,699,319,453,805,504/798,358,851.20
  6. Step 6: Final answer
    x = 679,768,651.20

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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.