Home / 777,535,500.75-1,073,021,385.92-429,877,383.63

Finding the Fourth Proportional to 777,535,500.75, 1,073,021,385.92 and 429,877,383.63

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Solution

The fourth proportional to 777,535,500.75, 1,073,021,385.92 and 429,877,383.63 is: 593,243,170.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,535,500.75 : 1,073,021,385.92 = 429,877,383.63 : x
  2. Step 2: Convert to fraction form
    777,535,500.75/1,073,021,385.92 = 429,877,383.63/x
  3. Step 3: Cross multiply
    777,535,500.75x = 1,073,021,385.92 × 429,877,383.63
  4. Step 4: Simplify right side
    777,535,500.75x = 461,267,625,956,176,704
  5. Step 5: Solve for x
    x = 461,267,625,956,176,704/777,535,500.75
  6. Step 6: Final answer
    x = 593,243,170.91

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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.