Home / 556,125,138.12-834,228,647.82-147,178,533

Finding the Fourth Proportional to 556,125,138.12, 834,228,647.82 and 147,178,533

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Solution

The fourth proportional to 556,125,138.12, 834,228,647.82 and 147,178,533 is: 220,778,634.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,125,138.12 : 834,228,647.82 = 147,178,533 : x
  2. Step 2: Convert to fraction form
    556,125,138.12/834,228,647.82 = 147,178,533/x
  3. Step 3: Cross multiply
    556,125,138.12x = 834,228,647.82 × 147,178,533
  4. Step 4: Simplify right side
    556,125,138.12x = 122,780,548,572,721,248
  5. Step 5: Solve for x
    x = 122,780,548,572,721,248/556,125,138.12
  6. Step 6: Final answer
    x = 220,778,634.44

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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.