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Finding the Fourth Proportional to 83,816,974,920.90, 125,725,462,381.35 and 83,816,974,920.90

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Solution

The fourth proportional to 83,816,974,920.90, 125,725,462,381.35 and 83,816,974,920.90 is: 125,725,462,381.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816,974,920.90 : 125,725,462,381.35 = 83,816,974,920.90 : x
  2. Step 2: Convert to fraction form
    83,816,974,920.90/125,725,462,381.35 = 83,816,974,920.90/x
  3. Step 3: Cross multiply
    83,816,974,920.90x = 125,725,462,381.35 × 83,816,974,920.90
  4. Step 4: Simplify right side
    83,816,974,920.90x = 10,537,927,927,336,169,111,552
  5. Step 5: Solve for x
    x = 10,537,927,927,336,169,111,552/83,816,974,920.90
  6. Step 6: Final answer
    x = 125,725,462,381.35

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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.