Home / 1,301,508,895.30-1,954,176,530.55-915,045,000.10

Finding the Fourth Proportional to 1,301,508,895.30, 1,954,176,530.55 and 915,045,000.10

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Solution

The fourth proportional to 1,301,508,895.30, 1,954,176,530.55 and 915,045,000.10 is: 1,373,912,594.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,508,895.30 : 1,954,176,530.55 = 915,045,000.10 : x
  2. Step 2: Convert to fraction form
    1,301,508,895.30/1,954,176,530.55 = 915,045,000.10/x
  3. Step 3: Cross multiply
    1,301,508,895.30x = 1,954,176,530.55 × 915,045,000.10
  4. Step 4: Simplify right side
    1,301,508,895.30x = 1,788,159,463,592,542,464
  5. Step 5: Solve for x
    x = 1,788,159,463,592,542,464/1,301,508,895.30
  6. Step 6: Final answer
    x = 1,373,912,594.87

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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.