Home / 619,155,738.30-854,409,131.17-336,899,287.56

Finding the Fourth Proportional to 619,155,738.30, 854,409,131.17 and 336,899,287.56

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Solution

The fourth proportional to 619,155,738.30, 854,409,131.17 and 336,899,287.56 is: 464,906,985.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,155,738.30 : 854,409,131.17 = 336,899,287.56 : x
  2. Step 2: Convert to fraction form
    619,155,738.30/854,409,131.17 = 336,899,287.56/x
  3. Step 3: Cross multiply
    619,155,738.30x = 854,409,131.17 × 336,899,287.56
  4. Step 4: Simplify right side
    619,155,738.30x = 287,849,827,575,931,584
  5. Step 5: Solve for x
    x = 287,849,827,575,931,584/619,155,738.30
  6. Step 6: Final answer
    x = 464,906,985.06

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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.