Home / 7,866,112,670.76-10,855,247,158.98-4,479,024,720.54

Finding the Fourth Proportional to 7,866,112,670.76, 10,855,247,158.98 and 4,479,024,720.54

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Solution

The fourth proportional to 7,866,112,670.76, 10,855,247,158.98 and 4,479,024,720.54 is: 6,181,060,761.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,866,112,670.76 : 10,855,247,158.98 = 4,479,024,720.54 : x
  2. Step 2: Convert to fraction form
    7,866,112,670.76/10,855,247,158.98 = 4,479,024,720.54/x
  3. Step 3: Cross multiply
    7,866,112,670.76x = 10,855,247,158.98 × 4,479,024,720.54
  4. Step 4: Simplify right side
    7,866,112,670.76x = 48,620,920,372,643,020,800
  5. Step 5: Solve for x
    x = 48,620,920,372,643,020,800/7,866,112,670.76
  6. Step 6: Final answer
    x = 6,181,060,761.23

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Double scale
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1.5x scale

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.