Home / 9,112,996,119.78-12,575,174,472.09-8,446,696,651.62

Finding the Fourth Proportional to 9,112,996,119.78, 12,575,174,472.09 and 8,446,696,651.62

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Solution

The fourth proportional to 9,112,996,119.78, 12,575,174,472.09 and 8,446,696,651.62 is: 11,655,736,786.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,112,996,119.78 : 12,575,174,472.09 = 8,446,696,651.62 : x
  2. Step 2: Convert to fraction form
    9,112,996,119.78/12,575,174,472.09 = 8,446,696,651.62/x
  3. Step 3: Cross multiply
    9,112,996,119.78x = 12,575,174,472.09 × 8,446,696,651.62
  4. Step 4: Simplify right side
    9,112,996,119.78x = 106,218,684,106,939,908,096
  5. Step 5: Solve for x
    x = 106,218,684,106,939,908,096/9,112,996,119.78
  6. Step 6: Final answer
    x = 11,655,736,786.32

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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.