Home / 443,891,855.39-612,545,836.81-242,948,320.53

Finding the Fourth Proportional to 443,891,855.39, 612,545,836.81 and 242,948,320.53

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Solution

The fourth proportional to 443,891,855.39, 612,545,836.81 and 242,948,320.53 is: 335,255,041.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,891,855.39 : 612,545,836.81 = 242,948,320.53 : x
  2. Step 2: Convert to fraction form
    443,891,855.39/612,545,836.81 = 242,948,320.53/x
  3. Step 3: Cross multiply
    443,891,855.39x = 612,545,836.81 × 242,948,320.53
  4. Step 4: Simplify right side
    443,891,855.39x = 148,816,982,300,632,928
  5. Step 5: Solve for x
    x = 148,816,982,300,632,928/443,891,855.39
  6. Step 6: Final answer
    x = 335,255,041.28

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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.