Home / 3,931,034,359,374.80-5,424,357,587,969.20-2,172,946,405,132.80

Finding the Fourth Proportional to 3,931,034,359,374.80, 5,424,357,587,969.20 and 2,172,946,405,132.80

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Solution

The fourth proportional to 3,931,034,359,374.80, 5,424,357,587,969.20 and 2,172,946,405,132.80 is: 2,998,406,333,646.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,931,034,359,374.80 : 5,424,357,587,969.20 = 2,172,946,405,132.80 : x
  2. Step 2: Convert to fraction form
    3,931,034,359,374.80/5,424,357,587,969.20 = 2,172,946,405,132.80/x
  3. Step 3: Cross multiply
    3,931,034,359,374.80x = 5,424,357,587,969.20 × 2,172,946,405,132.80
  4. Step 4: Simplify right side
    3,931,034,359,374.80x = 11,786,838,320,932,500,285,685,760
  5. Step 5: Solve for x
    x = 11,786,838,320,932,500,285,685,760/3,931,034,359,374.80
  6. Step 6: Final answer
    x = 2,998,406,333,646.78

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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.