Home / 1,395,724,864.18-1,926,100,615.92-760,645,506.52

Finding the Fourth Proportional to 1,395,724,864.18, 1,926,100,615.92 and 760,645,506.52

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Solution

The fourth proportional to 1,395,724,864.18, 1,926,100,615.92 and 760,645,506.52 is: 1,049,690,964.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,395,724,864.18 : 1,926,100,615.92 = 760,645,506.52 : x
  2. Step 2: Convert to fraction form
    1,395,724,864.18/1,926,100,615.92 = 760,645,506.52/x
  3. Step 3: Cross multiply
    1,395,724,864.18x = 1,926,100,615.92 × 760,645,506.52
  4. Step 4: Simplify right side
    1,395,724,864.18x = 1,465,079,778,604,952,320
  5. Step 5: Solve for x
    x = 1,465,079,778,604,952,320/1,395,724,864.18
  6. Step 6: Final answer
    x = 1,049,690,964.32

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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.