Home / 514,651,173.42-710,224,104.24-279,701,846.04

Finding the Fourth Proportional to 514,651,173.42, 710,224,104.24 and 279,701,846.04

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Solution

The fourth proportional to 514,651,173.42, 710,224,104.24 and 279,701,846.04 is: 385,991,528.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,173.42 : 710,224,104.24 = 279,701,846.04 : x
  2. Step 2: Convert to fraction form
    514,651,173.42/710,224,104.24 = 279,701,846.04/x
  3. Step 3: Cross multiply
    514,651,173.42x = 710,224,104.24 × 279,701,846.04
  4. Step 4: Simplify right side
    514,651,173.42x = 198,650,993,058,033,408
  5. Step 5: Solve for x
    x = 198,650,993,058,033,408/514,651,173.42
  6. Step 6: Final answer
    x = 385,991,528.47

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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.