Home / 18,641,862,340.57-25,731,900,771.47-14,838,362,130.97

Finding the Fourth Proportional to 18,641,862,340.57, 25,731,900,771.47 and 14,838,362,130.97

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Solution

The fourth proportional to 18,641,862,340.57, 25,731,900,771.47 and 14,838,362,130.97 is: 20,481,819,626.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,862,340.57 : 25,731,900,771.47 = 14,838,362,130.97 : x
  2. Step 2: Convert to fraction form
    18,641,862,340.57/25,731,900,771.47 = 14,838,362,130.97/x
  3. Step 3: Cross multiply
    18,641,862,340.57x = 25,731,900,771.47 × 14,838,362,130.97
  4. Step 4: Simplify right side
    18,641,862,340.57x = 381,819,261,965,258,194,944
  5. Step 5: Solve for x
    x = 381,819,261,965,258,194,944/18,641,862,340.57
  6. Step 6: Final answer
    x = 20,481,819,626.70

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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.