Home / 1,818,748,538.71-2,728,104,621-575,179,214.92

Finding the Fourth Proportional to 1,818,748,538.71, 2,728,104,621 and 575,179,214.92

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Solution

The fourth proportional to 1,818,748,538.71, 2,728,104,621 and 575,179,214.92 is: 862,763,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,818,748,538.71 : 2,728,104,621 = 575,179,214.92 : x
  2. Step 2: Convert to fraction form
    1,818,748,538.71/2,728,104,621 = 575,179,214.92/x
  3. Step 3: Cross multiply
    1,818,748,538.71x = 2,728,104,621 × 575,179,214.92
  4. Step 4: Simplify right side
    1,818,748,538.71x = 1,569,149,074,126,404,096
  5. Step 5: Solve for x
    x = 1,569,149,074,126,404,096/1,818,748,538.71
  6. Step 6: Final answer
    x = 862,763,070.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.