Home / 943,488,030.70-1,415,232,046.05-667,989,016.30

Finding the Fourth Proportional to 943,488,030.70, 1,415,232,046.05 and 667,989,016.30

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Solution

The fourth proportional to 943,488,030.70, 1,415,232,046.05 and 667,989,016.30 is: 1,001,983,524.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,488,030.70 : 1,415,232,046.05 = 667,989,016.30 : x
  2. Step 2: Convert to fraction form
    943,488,030.70/1,415,232,046.05 = 667,989,016.30/x
  3. Step 3: Cross multiply
    943,488,030.70x = 1,415,232,046.05 × 667,989,016.30
  4. Step 4: Simplify right side
    943,488,030.70x = 945,359,462,277,175,680
  5. Step 5: Solve for x
    x = 945,359,462,277,175,680/943,488,030.70
  6. Step 6: Final answer
    x = 1,001,983,524.45

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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.