Home / 18,563,128,689.92-25,617,120,355.52-10,105,016,677.12

Finding the Fourth Proportional to 18,563,128,689.92, 25,617,120,355.52 and 10,105,016,677.12

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Solution

The fourth proportional to 18,563,128,689.92, 25,617,120,355.52 and 10,105,016,677.12 is: 13,944,924,518.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,563,128,689.92 : 25,617,120,355.52 = 10,105,016,677.12 : x
  2. Step 2: Convert to fraction form
    18,563,128,689.92/25,617,120,355.52 = 10,105,016,677.12/x
  3. Step 3: Cross multiply
    18,563,128,689.92x = 25,617,120,355.52 × 10,105,016,677.12
  4. Step 4: Simplify right side
    18,563,128,689.92x = 258,861,428,412,319,858,688
  5. Step 5: Solve for x
    x = 258,861,428,412,319,858,688/18,563,128,689.92
  6. Step 6: Final answer
    x = 13,944,924,518.73

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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.