Home / 495,520,711.79-683,836,561.65-283,868,448.25

Finding the Fourth Proportional to 495,520,711.79, 683,836,561.65 and 283,868,448.25

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Solution

The fourth proportional to 495,520,711.79, 683,836,561.65 and 283,868,448.25 is: 391,748,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,520,711.79 : 683,836,561.65 = 283,868,448.25 : x
  2. Step 2: Convert to fraction form
    495,520,711.79/683,836,561.65 = 283,868,448.25/x
  3. Step 3: Cross multiply
    495,520,711.79x = 683,836,561.65 × 283,868,448.25
  4. Step 4: Simplify right side
    495,520,711.79x = 194,119,623,612,200,960
  5. Step 5: Solve for x
    x = 194,119,623,612,200,960/495,520,711.79
  6. Step 6: Final answer
    x = 391,748,758.41

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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.