Home / 347,943,291.20-521,467,039.20-266,761,851.20

Finding the Fourth Proportional to 347,943,291.20, 521,467,039.20 and 266,761,851.20

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Solution

The fourth proportional to 347,943,291.20, 521,467,039.20 and 266,761,851.20 is: 399,799,381.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,943,291.20 : 521,467,039.20 = 266,761,851.20 : x
  2. Step 2: Convert to fraction form
    347,943,291.20/521,467,039.20 = 266,761,851.20/x
  3. Step 3: Cross multiply
    347,943,291.20x = 521,467,039.20 × 266,761,851.20
  4. Step 4: Simplify right side
    347,943,291.20x = 139,107,512,716,774,960
  5. Step 5: Solve for x
    x = 139,107,512,716,774,960/347,943,291.20
  6. Step 6: Final answer
    x = 399,799,381.78

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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.