Home / 258,655,961,350.22-356,941,427,923.05-144,472,248,701.42

Finding the Fourth Proportional to 258,655,961,350.22, 356,941,427,923.05 and 144,472,248,701.42

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Solution

The fourth proportional to 258,655,961,350.22, 356,941,427,923.05 and 144,472,248,701.42 is: 199,369,581,422.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,655,961,350.22 : 356,941,427,923.05 = 144,472,248,701.42 : x
  2. Step 2: Convert to fraction form
    258,655,961,350.22/356,941,427,923.05 = 144,472,248,701.42/x
  3. Step 3: Cross multiply
    258,655,961,350.22x = 356,941,427,923.05 × 144,472,248,701.42
  4. Step 4: Simplify right side
    258,655,961,350.22x = 51,568,130,746,738,867,699,712
  5. Step 5: Solve for x
    x = 51,568,130,746,738,867,699,712/258,655,961,350.22
  6. Step 6: Final answer
    x = 199,369,581,422.16

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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.