Home / 1,028,655,441.29-1,419,543,429.02-558,757,130.38

Finding the Fourth Proportional to 1,028,655,441.29, 1,419,543,429.02 and 558,757,130.38

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Solution

The fourth proportional to 1,028,655,441.29, 1,419,543,429.02 and 558,757,130.38 is: 771,084,253.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,655,441.29 : 1,419,543,429.02 = 558,757,130.38 : x
  2. Step 2: Convert to fraction form
    1,028,655,441.29/1,419,543,429.02 = 558,757,130.38/x
  3. Step 3: Cross multiply
    1,028,655,441.29x = 1,419,543,429.02 × 558,757,130.38
  4. Step 4: Simplify right side
    1,028,655,441.29x = 793,180,012,844,725,248
  5. Step 5: Solve for x
    x = 793,180,012,844,725,248/1,028,655,441.29
  6. Step 6: Final answer
    x = 771,084,253.29

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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.