Home / 258,655,961,349.22-356,941,427,921.67-144,472,248,700.42

Finding the Fourth Proportional to 258,655,961,349.22, 356,941,427,921.67 and 144,472,248,700.42

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Solution

The fourth proportional to 258,655,961,349.22, 356,941,427,921.67 and 144,472,248,700.42 is: 199,369,581,420.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    258,655,961,349.22 : 356,941,427,921.67 = 144,472,248,700.42 : x
  2. Step 2: Convert to fraction form
    258,655,961,349.22/356,941,427,921.67 = 144,472,248,700.42/x
  3. Step 3: Cross multiply
    258,655,961,349.22x = 356,941,427,921.67 × 144,472,248,700.42
  4. Step 4: Simplify right side
    258,655,961,349.22x = 51,568,130,746,182,551,994,368
  5. Step 5: Solve for x
    x = 51,568,130,746,182,551,994,368/258,655,961,349.22
  6. Step 6: Final answer
    x = 199,369,581,420.78

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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.