Home / 8,083,336,007.10-12,125,004,010.65-7,478,674,247.10

Finding the Fourth Proportional to 8,083,336,007.10, 12,125,004,010.65 and 7,478,674,247.10

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Solution

The fourth proportional to 8,083,336,007.10, 12,125,004,010.65 and 7,478,674,247.10 is: 11,218,011,370.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,083,336,007.10 : 12,125,004,010.65 = 7,478,674,247.10 : x
  2. Step 2: Convert to fraction form
    8,083,336,007.10/12,125,004,010.65 = 7,478,674,247.10/x
  3. Step 3: Cross multiply
    8,083,336,007.10x = 12,125,004,010.65 × 7,478,674,247.10
  4. Step 4: Simplify right side
    8,083,336,007.10x = 90,678,955,240,432,369,664
  5. Step 5: Solve for x
    x = 90,678,955,240,432,369,664/8,083,336,007.10
  6. Step 6: Final answer
    x = 11,218,011,370.65

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Double scale
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Similar ratio
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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.