Home / 1,205,380,793.82-1,663,296,666.30-676,802,883

Finding the Fourth Proportional to 1,205,380,793.82, 1,663,296,666.30 and 676,802,883

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Solution

The fourth proportional to 1,205,380,793.82, 1,663,296,666.30 and 676,802,883 is: 933,915,642.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,380,793.82 : 1,663,296,666.30 = 676,802,883 : x
  2. Step 2: Convert to fraction form
    1,205,380,793.82/1,663,296,666.30 = 676,802,883/x
  3. Step 3: Cross multiply
    1,205,380,793.82x = 1,663,296,666.30 × 676,802,883
  4. Step 4: Simplify right side
    1,205,380,793.82x = 1,125,723,979,036,128,896
  5. Step 5: Solve for x
    x = 1,125,723,979,036,128,896/1,205,380,793.82
  6. Step 6: Final answer
    x = 933,915,642.93

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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.