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Finding the Fourth Proportional to 556,083,063.60, 834,124,595.40 and 147,180,548.40

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Solution

The fourth proportional to 556,083,063.60, 834,124,595.40 and 147,180,548.40 is: 220,770,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,083,063.60 : 834,124,595.40 = 147,180,548.40 : x
  2. Step 2: Convert to fraction form
    556,083,063.60/834,124,595.40 = 147,180,548.40/x
  3. Step 3: Cross multiply
    556,083,063.60x = 834,124,595.40 × 147,180,548.40
  4. Step 4: Simplify right side
    556,083,063.60x = 122,766,915,384,900,112
  5. Step 5: Solve for x
    x = 122,766,915,384,900,112/556,083,063.60
  6. Step 6: Final answer
    x = 220,770,822.60

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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.