Home / 782,044,175.57-1,079,232,016.32-429,652,734.35

Finding the Fourth Proportional to 782,044,175.57, 1,079,232,016.32 and 429,652,734.35

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Solution

The fourth proportional to 782,044,175.57, 1,079,232,016.32 and 429,652,734.35 is: 592,926,846.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,044,175.57 : 1,079,232,016.32 = 429,652,734.35 : x
  2. Step 2: Convert to fraction form
    782,044,175.57/1,079,232,016.32 = 429,652,734.35/x
  3. Step 3: Cross multiply
    782,044,175.57x = 1,079,232,016.32 × 429,652,734.35
  4. Step 4: Simplify right side
    782,044,175.57x = 463,694,986,804,555,648
  5. Step 5: Solve for x
    x = 463,694,986,804,555,648/782,044,175.57
  6. Step 6: Final answer
    x = 592,926,846.45

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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.