Home / 18,641,862,342.07-25,731,900,773.54-14,838,362,132.47

Finding the Fourth Proportional to 18,641,862,342.07, 25,731,900,773.54 and 14,838,362,132.47

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Solution

The fourth proportional to 18,641,862,342.07, 25,731,900,773.54 and 14,838,362,132.47 is: 20,481,819,628.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,641,862,342.07 : 25,731,900,773.54 = 14,838,362,132.47 : x
  2. Step 2: Convert to fraction form
    18,641,862,342.07/25,731,900,773.54 = 14,838,362,132.47/x
  3. Step 3: Cross multiply
    18,641,862,342.07x = 25,731,900,773.54 × 14,838,362,132.47
  4. Step 4: Simplify right side
    18,641,862,342.07x = 381,819,262,034,571,427,840
  5. Step 5: Solve for x
    x = 381,819,262,034,571,427,840/18,641,862,342.07
  6. Step 6: Final answer
    x = 20,481,819,628.77

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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.