Home / 437,221,439.76-655,947,017.76-157,130,629.44

Finding the Fourth Proportional to 437,221,439.76, 655,947,017.76 and 157,130,629.44

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Solution

The fourth proportional to 437,221,439.76, 655,947,017.76 and 157,130,629.44 is: 235,737,222.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,221,439.76 : 655,947,017.76 = 157,130,629.44 : x
  2. Step 2: Convert to fraction form
    437,221,439.76/655,947,017.76 = 157,130,629.44/x
  3. Step 3: Cross multiply
    437,221,439.76x = 655,947,017.76 × 157,130,629.44
  4. Step 4: Simplify right side
    437,221,439.76x = 103,069,367,779,919,648
  5. Step 5: Solve for x
    x = 103,069,367,779,919,648/437,221,439.76
  6. Step 6: Final answer
    x = 235,737,222.39

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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.