Home / 943,488,013.20-1,415,232,019.80-667,988,998.80

Finding the Fourth Proportional to 943,488,013.20, 1,415,232,019.80 and 667,988,998.80

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Solution

The fourth proportional to 943,488,013.20, 1,415,232,019.80 and 667,988,998.80 is: 1,001,983,498.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,488,013.20 : 1,415,232,019.80 = 667,988,998.80 : x
  2. Step 2: Convert to fraction form
    943,488,013.20/1,415,232,019.80 = 667,988,998.80/x
  3. Step 3: Cross multiply
    943,488,013.20x = 1,415,232,019.80 × 667,988,998.80
  4. Step 4: Simplify right side
    943,488,013.20x = 945,359,419,975,903,616
  5. Step 5: Solve for x
    x = 945,359,419,975,903,616/943,488,013.20
  6. Step 6: Final answer
    x = 1,001,983,498.20

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1.5x scale

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.