Home / 7,768,272,000.80-11,652,408,001.20-6,870,349,287.20

Finding the Fourth Proportional to 7,768,272,000.80, 11,652,408,001.20 and 6,870,349,287.20

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Solution

The fourth proportional to 7,768,272,000.80, 11,652,408,001.20 and 6,870,349,287.20 is: 10,305,523,930.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,768,272,000.80 : 11,652,408,001.20 = 6,870,349,287.20 : x
  2. Step 2: Convert to fraction form
    7,768,272,000.80/11,652,408,001.20 = 6,870,349,287.20/x
  3. Step 3: Cross multiply
    7,768,272,000.80x = 11,652,408,001.20 × 6,870,349,287.20
  4. Step 4: Simplify right side
    7,768,272,000.80x = 80,056,113,005,207,994,368
  5. Step 5: Solve for x
    x = 80,056,113,005,207,994,368/7,768,272,000.80
  6. Step 6: Final answer
    x = 10,305,523,930.80

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1.5x scale

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.