Home / 20,653,809,515.10-30,988,367,023.05-8,241,048,366.30

Finding the Fourth Proportional to 20,653,809,515.10, 30,988,367,023.05 and 8,241,048,366.30

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Solution

The fourth proportional to 20,653,809,515.10, 30,988,367,023.05 and 8,241,048,366.30 is: 12,364,626,062.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,653,809,515.10 : 30,988,367,023.05 = 8,241,048,366.30 : x
  2. Step 2: Convert to fraction form
    20,653,809,515.10/30,988,367,023.05 = 8,241,048,366.30/x
  3. Step 3: Cross multiply
    20,653,809,515.10x = 30,988,367,023.05 × 8,241,048,366.30
  4. Step 4: Simplify right side
    20,653,809,515.10x = 255,376,631,429,610,995,712
  5. Step 5: Solve for x
    x = 255,376,631,429,610,995,712/20,653,809,515.10
  6. Step 6: Final answer
    x = 12,364,626,062.95

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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.