Home / 8,278,962,346,660.40-12,407,343,013,278-6,443,317,616,317.20

Finding the Fourth Proportional to 8,278,962,346,660.40, 12,407,343,013,278 and 6,443,317,616,317.20

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Solution

The fourth proportional to 8,278,962,346,660.40, 12,407,343,013,278 and 6,443,317,616,317.20 is: 9,656,337,166,624.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,278,962,346,660.40 : 12,407,343,013,278 = 6,443,317,616,317.20 : x
  2. Step 2: Convert to fraction form
    8,278,962,346,660.40/12,407,343,013,278 = 6,443,317,616,317.20/x
  3. Step 3: Cross multiply
    8,278,962,346,660.40x = 12,407,343,013,278 × 6,443,317,616,317.20
  4. Step 4: Simplify right side
    8,278,962,346,660.40x = 79,944,451,809,144,275,577,339,904
  5. Step 5: Solve for x
    x = 79,944,451,809,144,275,577,339,904/8,278,962,346,660.40
  6. Step 6: Final answer
    x = 9,656,337,166,624.82

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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.