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Finding the Fourth Proportional to 556,602,352.56, 834,765,561.54 and 188,129,113.02

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Solution

The fourth proportional to 556,602,352.56, 834,765,561.54 and 188,129,113.02 is: 282,147,037.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,602,352.56 : 834,765,561.54 = 188,129,113.02 : x
  2. Step 2: Convert to fraction form
    556,602,352.56/834,765,561.54 = 188,129,113.02/x
  3. Step 3: Cross multiply
    556,602,352.56x = 834,765,561.54 × 188,129,113.02
  4. Step 4: Simplify right side
    556,602,352.56x = 157,043,704,672,162,432
  5. Step 5: Solve for x
    x = 157,043,704,672,162,432/556,602,352.56
  6. Step 6: Final answer
    x = 282,147,037.20

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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.