Home / 379,847,537.40-569,771,306.10-318,625,534.20

Finding the Fourth Proportional to 379,847,537.40, 569,771,306.10 and 318,625,534.20

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Solution

The fourth proportional to 379,847,537.40, 569,771,306.10 and 318,625,534.20 is: 477,938,301.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,847,537.40 : 569,771,306.10 = 318,625,534.20 : x
  2. Step 2: Convert to fraction form
    379,847,537.40/569,771,306.10 = 318,625,534.20/x
  3. Step 3: Cross multiply
    379,847,537.40x = 569,771,306.10 × 318,625,534.20
  4. Step 4: Simplify right side
    379,847,537.40x = 181,543,686,777,944,224
  5. Step 5: Solve for x
    x = 181,543,686,777,944,224/379,847,537.40
  6. Step 6: Final answer
    x = 477,938,301.30

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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.