Home / 1,510,178,741,061.20-2,084,047,497,250.20-815,719,294,769.68

Finding the Fourth Proportional to 1,510,178,741,061.20, 2,084,047,497,250.20 and 815,719,294,769.68

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Solution

The fourth proportional to 1,510,178,741,061.20, 2,084,047,497,250.20 and 815,719,294,769.68 is: 1,125,693,077,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,178,741,061.20 : 2,084,047,497,250.20 = 815,719,294,769.68 : x
  2. Step 2: Convert to fraction form
    1,510,178,741,061.20/2,084,047,497,250.20 = 815,719,294,769.68/x
  3. Step 3: Cross multiply
    1,510,178,741,061.20x = 2,084,047,497,250.20 × 815,719,294,769.68
  4. Step 4: Simplify right side
    1,510,178,741,061.20x = 1,699,997,754,723,449,777,946,624
  5. Step 5: Solve for x
    x = 1,699,997,754,723,449,777,946,624/1,510,178,741,061.20
  6. Step 6: Final answer
    x = 1,125,693,077,581.57

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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.