Home / 3,130,989,935.50-4,320,768,890.88-1,721,317,882.42

Finding the Fourth Proportional to 3,130,989,935.50, 4,320,768,890.88 and 1,721,317,882.42

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Solution

The fourth proportional to 3,130,989,935.50, 4,320,768,890.88 and 1,721,317,882.42 is: 2,375,420,206.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,130,989,935.50 : 4,320,768,890.88 = 1,721,317,882.42 : x
  2. Step 2: Convert to fraction form
    3,130,989,935.50/4,320,768,890.88 = 1,721,317,882.42/x
  3. Step 3: Cross multiply
    3,130,989,935.50x = 4,320,768,890.88 × 1,721,317,882.42
  4. Step 4: Simplify right side
    3,130,989,935.50x = 7,437,416,757,675,773,952
  5. Step 5: Solve for x
    x = 7,437,416,757,675,773,952/3,130,989,935.50
  6. Step 6: Final answer
    x = 2,375,420,206.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.