Home / 967,708,920.40-1,451,752,337.40-385,344,062.80

Finding the Fourth Proportional to 967,708,920.40, 1,451,752,337.40 and 385,344,062.80

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Solution

The fourth proportional to 967,708,920.40, 1,451,752,337.40 and 385,344,062.80 is: 578,091,337.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    967,708,920.40 : 1,451,752,337.40 = 385,344,062.80 : x
  2. Step 2: Convert to fraction form
    967,708,920.40/1,451,752,337.40 = 385,344,062.80/x
  3. Step 3: Cross multiply
    967,708,920.40x = 1,451,752,337.40 × 385,344,062.80
  4. Step 4: Simplify right side
    967,708,920.40x = 559,424,143,873,112,448
  5. Step 5: Solve for x
    x = 559,424,143,873,112,448/967,708,920.40
  6. Step 6: Final answer
    x = 578,091,337.26

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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.