Home / 1,395,724,865.18-1,926,100,617.30-760,645,507.52

Finding the Fourth Proportional to 1,395,724,865.18, 1,926,100,617.30 and 760,645,507.52

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Solution

The fourth proportional to 1,395,724,865.18, 1,926,100,617.30 and 760,645,507.52 is: 1,049,690,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,724,865.18 : 1,926,100,617.30 = 760,645,507.52 : x
  2. Step 2: Convert to fraction form
    1,395,724,865.18/1,926,100,617.30 = 760,645,507.52/x
  3. Step 3: Cross multiply
    1,395,724,865.18x = 1,926,100,617.30 × 760,645,507.52
  4. Step 4: Simplify right side
    1,395,724,865.18x = 1,465,079,781,580,743,680
  5. Step 5: Solve for x
    x = 1,465,079,781,580,743,680/1,395,724,865.18
  6. Step 6: Final answer
    x = 1,049,690,965.70

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1.5x scale

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.