Home / 514,651,107.84-710,224,014.69-279,701,785.32

Finding the Fourth Proportional to 514,651,107.84, 710,224,014.69 and 279,701,785.32

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Solution

The fourth proportional to 514,651,107.84, 710,224,014.69 and 279,701,785.32 is: 385,991,445.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,651,107.84 : 710,224,014.69 = 279,701,785.32 : x
  2. Step 2: Convert to fraction form
    514,651,107.84/710,224,014.69 = 279,701,785.32/x
  3. Step 3: Cross multiply
    514,651,107.84x = 710,224,014.69 × 279,701,785.32
  4. Step 4: Simplify right side
    514,651,107.84x = 198,650,924,885,930,912
  5. Step 5: Solve for x
    x = 198,650,924,885,930,912/514,651,107.84
  6. Step 6: Final answer
    x = 385,991,445.19

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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.