Home / 258,655,961,350.73-356,941,427,923.75-144,472,248,701.92

Finding the Fourth Proportional to 258,655,961,350.73, 356,941,427,923.75 and 144,472,248,701.92

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Solution

The fourth proportional to 258,655,961,350.73, 356,941,427,923.75 and 144,472,248,701.92 is: 199,369,581,422.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,655,961,350.73 : 356,941,427,923.75 = 144,472,248,701.92 : x
  2. Step 2: Convert to fraction form
    258,655,961,350.73/356,941,427,923.75 = 144,472,248,701.92/x
  3. Step 3: Cross multiply
    258,655,961,350.73x = 356,941,427,923.75 × 144,472,248,701.92
  4. Step 4: Simplify right side
    258,655,961,350.73x = 51,568,130,747,018,468,392,960
  5. Step 5: Solve for x
    x = 51,568,130,747,018,468,392,960/258,655,961,350.73
  6. Step 6: Final answer
    x = 199,369,581,422.84

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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.