Home / 1,125,325,202.40-1,687,834,566.72-296,209,409.76

Finding the Fourth Proportional to 1,125,325,202.40, 1,687,834,566.72 and 296,209,409.76

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Solution

The fourth proportional to 1,125,325,202.40, 1,687,834,566.72 and 296,209,409.76 is: 444,273,779.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,125,325,202.40 : 1,687,834,566.72 = 296,209,409.76 : x
  2. Step 2: Convert to fraction form
    1,125,325,202.40/1,687,834,566.72 = 296,209,409.76/x
  3. Step 3: Cross multiply
    1,125,325,202.40x = 1,687,834,566.72 × 296,209,409.76
  4. Step 4: Simplify right side
    1,125,325,202.40x = 499,952,480,780,656,512
  5. Step 5: Solve for x
    x = 499,952,480,780,656,512/1,125,325,202.40
  6. Step 6: Final answer
    x = 444,273,779.45

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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.