Home / 495,044,253.64-683,121,076.50-286,213,854.16

Finding the Fourth Proportional to 495,044,253.64, 683,121,076.50 and 286,213,854.16

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Solution

The fourth proportional to 495,044,253.64, 683,121,076.50 and 286,213,854.16 is: 394,951,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,044,253.64 : 683,121,076.50 = 286,213,854.16 : x
  2. Step 2: Convert to fraction form
    495,044,253.64/683,121,076.50 = 286,213,854.16/x
  3. Step 3: Cross multiply
    495,044,253.64x = 683,121,076.50 × 286,213,854.16
  4. Step 4: Simplify right side
    495,044,253.64x = 195,518,716,162,993,216
  5. Step 5: Solve for x
    x = 195,518,716,162,993,216/495,044,253.64
  6. Step 6: Final answer
    x = 394,951,996.16

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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.