Home / 250,613,761,965.60-375,920,642,948.40-85,178,304,429.60

Finding the Fourth Proportional to 250,613,761,965.60, 375,920,642,948.40 and 85,178,304,429.60

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Solution

The fourth proportional to 250,613,761,965.60, 375,920,642,948.40 and 85,178,304,429.60 is: 127,767,456,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,613,761,965.60 : 375,920,642,948.40 = 85,178,304,429.60 : x
  2. Step 2: Convert to fraction form
    250,613,761,965.60/375,920,642,948.40 = 85,178,304,429.60/x
  3. Step 3: Cross multiply
    250,613,761,965.60x = 375,920,642,948.40 × 85,178,304,429.60
  4. Step 4: Simplify right side
    250,613,761,965.60x = 32,020,282,966,429,784,866,816
  5. Step 5: Solve for x
    x = 32,020,282,966,429,784,866,816/250,613,761,965.60
  6. Step 6: Final answer
    x = 127,767,456,644.40

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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.