Home / 500,346,299,405.28-690,478,338,101.40-271,975,541,391.84

Finding the Fourth Proportional to 500,346,299,405.28, 690,478,338,101.40 and 271,975,541,391.84

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Solution

The fourth proportional to 500,346,299,405.28, 690,478,338,101.40 and 271,975,541,391.84 is: 375,326,488,969.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,346,299,405.28 : 690,478,338,101.40 = 271,975,541,391.84 : x
  2. Step 2: Convert to fraction form
    500,346,299,405.28/690,478,338,101.40 = 271,975,541,391.84/x
  3. Step 3: Cross multiply
    500,346,299,405.28x = 690,478,338,101.40 × 271,975,541,391.84
  4. Step 4: Simplify right side
    500,346,299,405.28x = 187,793,219,824,466,226,315,264
  5. Step 5: Solve for x
    x = 187,793,219,824,466,226,315,264/500,346,299,405.28
  6. Step 6: Final answer
    x = 375,326,488,969.10

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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.