Home / 21,399,744,971.30-29,528,104,726.67-12,368,344,082.20

Finding the Fourth Proportional to 21,399,744,971.30, 29,528,104,726.67 and 12,368,344,082.20

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Solution

The fourth proportional to 21,399,744,971.30, 29,528,104,726.67 and 12,368,344,082.20 is: 17,066,266,903.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,399,744,971.30 : 29,528,104,726.67 = 12,368,344,082.20 : x
  2. Step 2: Convert to fraction form
    21,399,744,971.30/29,528,104,726.67 = 12,368,344,082.20/x
  3. Step 3: Cross multiply
    21,399,744,971.30x = 29,528,104,726.67 × 12,368,344,082.20
  4. Step 4: Simplify right side
    21,399,744,971.30x = 365,213,759,354,569,883,648
  5. Step 5: Solve for x
    x = 365,213,759,354,569,883,648/21,399,744,971.30
  6. Step 6: Final answer
    x = 17,066,266,903.86

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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.