Home / 897,071,012.70-1,345,858,461.45-437,024,190.30

Finding the Fourth Proportional to 897,071,012.70, 1,345,858,461.45 and 437,024,190.30

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Solution

The fourth proportional to 897,071,012.70, 1,345,858,461.45 and 437,024,190.30 is: 655,659,023.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,071,012.70 : 1,345,858,461.45 = 437,024,190.30 : x
  2. Step 2: Convert to fraction form
    897,071,012.70/1,345,858,461.45 = 437,024,190.30/x
  3. Step 3: Cross multiply
    897,071,012.70x = 1,345,858,461.45 × 437,024,190.30
  4. Step 4: Simplify right side
    897,071,012.70x = 588,172,704,373,590,016
  5. Step 5: Solve for x
    x = 588,172,704,373,590,016/897,071,012.70
  6. Step 6: Final answer
    x = 655,659,023.70

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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.