Home / 12,413,779,689.70-18,620,669,534.55-11,066,895,619.30

Finding the Fourth Proportional to 12,413,779,689.70, 18,620,669,534.55 and 11,066,895,619.30

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Solution

The fourth proportional to 12,413,779,689.70, 18,620,669,534.55 and 11,066,895,619.30 is: 16,600,343,428.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,413,779,689.70 : 18,620,669,534.55 = 11,066,895,619.30 : x
  2. Step 2: Convert to fraction form
    12,413,779,689.70/18,620,669,534.55 = 11,066,895,619.30/x
  3. Step 3: Cross multiply
    12,413,779,689.70x = 18,620,669,534.55 × 11,066,895,619.30
  4. Step 4: Simplify right side
    12,413,779,689.70x = 206,073,006,100,344,340,480
  5. Step 5: Solve for x
    x = 206,073,006,100,344,340,480/12,413,779,689.70
  6. Step 6: Final answer
    x = 16,600,343,428.95

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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.