Home / 749,628,968.88-1,034,498,542.08-431,913,622.80

Finding the Fourth Proportional to 749,628,968.88, 1,034,498,542.08 and 431,913,622.80

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Solution

The fourth proportional to 749,628,968.88, 1,034,498,542.08 and 431,913,622.80 is: 596,046,886.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,628,968.88 : 1,034,498,542.08 = 431,913,622.80 : x
  2. Step 2: Convert to fraction form
    749,628,968.88/1,034,498,542.08 = 431,913,622.80/x
  3. Step 3: Cross multiply
    749,628,968.88x = 1,034,498,542.08 × 431,913,622.80
  4. Step 4: Simplify right side
    749,628,968.88x = 446,814,013,091,091,072
  5. Step 5: Solve for x
    x = 446,814,013,091,091,072/749,628,968.88
  6. Step 6: Final answer
    x = 596,046,886.71

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1.5x scale

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.