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Finding the Fourth Proportional to 83,909,112,078.60, 125,863,668,117.90 and 83,909,112,078.60

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Solution

The fourth proportional to 83,909,112,078.60, 125,863,668,117.90 and 83,909,112,078.60 is: 125,863,668,117.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,909,112,078.60 : 125,863,668,117.90 = 83,909,112,078.60 : x
  2. Step 2: Convert to fraction form
    83,909,112,078.60/125,863,668,117.90 = 83,909,112,078.60/x
  3. Step 3: Cross multiply
    83,909,112,078.60x = 125,863,668,117.90 × 83,909,112,078.60
  4. Step 4: Simplify right side
    83,909,112,078.60x = 10,561,108,634,728,585,494,528
  5. Step 5: Solve for x
    x = 10,561,108,634,728,585,494,528/83,909,112,078.60
  6. Step 6: Final answer
    x = 125,863,668,117.90

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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.