Home / 266,354,852,291.38-399,512,183,865.51-84,830,349,548.44

Finding the Fourth Proportional to 266,354,852,291.38, 399,512,183,865.51 and 84,830,349,548.44

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Solution

The fourth proportional to 266,354,852,291.38, 399,512,183,865.51 and 84,830,349,548.44 is: 127,239,124,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,354,852,291.38 : 399,512,183,865.51 = 84,830,349,548.44 : x
  2. Step 2: Convert to fraction form
    266,354,852,291.38/399,512,183,865.51 = 84,830,349,548.44/x
  3. Step 3: Cross multiply
    266,354,852,291.38x = 399,512,183,865.51 × 84,830,349,548.44
  4. Step 4: Simplify right side
    266,354,852,291.38x = 33,890,758,206,171,847,327,744
  5. Step 5: Solve for x
    x = 33,890,758,206,171,847,327,744/266,354,852,291.38
  6. Step 6: Final answer
    x = 127,239,124,478.56

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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.