Home / 356,039,725.40-534,059,588.10-218,290,218.20

Finding the Fourth Proportional to 356,039,725.40, 534,059,588.10 and 218,290,218.20

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Solution

The fourth proportional to 356,039,725.40, 534,059,588.10 and 218,290,218.20 is: 327,435,327.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,039,725.40 : 534,059,588.10 = 218,290,218.20 : x
  2. Step 2: Convert to fraction form
    356,039,725.40/534,059,588.10 = 218,290,218.20/x
  3. Step 3: Cross multiply
    356,039,725.40x = 534,059,588.10 × 218,290,218.20
  4. Step 4: Simplify right side
    356,039,725.40x = 116,579,984,018,151,120
  5. Step 5: Solve for x
    x = 116,579,984,018,151,120/356,039,725.40
  6. Step 6: Final answer
    x = 327,435,327.30

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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.