Home / 1,435,961,759.80-2,155,643,250.90-814,671,801.40

Finding the Fourth Proportional to 1,435,961,759.80, 2,155,643,250.90 and 814,671,801.40

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Solution

The fourth proportional to 1,435,961,759.80, 2,155,643,250.90 and 814,671,801.40 is: 1,222,972,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,961,759.80 : 2,155,643,250.90 = 814,671,801.40 : x
  2. Step 2: Convert to fraction form
    1,435,961,759.80/2,155,643,250.90 = 814,671,801.40/x
  3. Step 3: Cross multiply
    1,435,961,759.80x = 2,155,643,250.90 × 814,671,801.40
  4. Step 4: Simplify right side
    1,435,961,759.80x = 1,756,141,770,386,455,296
  5. Step 5: Solve for x
    x = 1,756,141,770,386,455,296/1,435,961,759.80
  6. Step 6: Final answer
    x = 1,222,972,518.87

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.