Home / 28,128,769,147.68-38,816,275,902.12-16,697,826,613.14

Finding the Fourth Proportional to 28,128,769,147.68, 38,816,275,902.12 and 16,697,826,613.14

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Solution

The fourth proportional to 28,128,769,147.68, 38,816,275,902.12 and 16,697,826,613.14 is: 23,042,154,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,128,769,147.68 : 38,816,275,902.12 = 16,697,826,613.14 : x
  2. Step 2: Convert to fraction form
    28,128,769,147.68/38,816,275,902.12 = 16,697,826,613.14/x
  3. Step 3: Cross multiply
    28,128,769,147.68x = 38,816,275,902.12 × 16,697,826,613.14
  4. Step 4: Simplify right side
    28,128,769,147.68x = 648,147,444,781,404,258,304
  5. Step 5: Solve for x
    x = 648,147,444,781,404,258,304/28,128,769,147.68
  6. Step 6: Final answer
    x = 23,042,154,506.60

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Find fourth proportional to 28,128,769,148.68, 38,816,275,903.50 and 16,697,826,614.14
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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.