Home / 28,293,454,150.23-39,045,088,114.89-15,433,374,361.69

Finding the Fourth Proportional to 28,293,454,150.23, 39,045,088,114.89 and 15,433,374,361.69

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Solution

The fourth proportional to 28,293,454,150.23, 39,045,088,114.89 and 15,433,374,361.69 is: 21,298,122,833.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293,454,150.23 : 39,045,088,114.89 = 15,433,374,361.69 : x
  2. Step 2: Convert to fraction form
    28,293,454,150.23/39,045,088,114.89 = 15,433,374,361.69/x
  3. Step 3: Cross multiply
    28,293,454,150.23x = 39,045,088,114.89 × 15,433,374,361.69
  4. Step 4: Simplify right side
    28,293,454,150.23x = 602,597,461,862,270,238,720
  5. Step 5: Solve for x
    x = 602,597,461,862,270,238,720/28,293,454,150.23
  6. Step 6: Final answer
    x = 21,298,122,833.03

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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.