Home / 1,257,976,961.40-1,886,947,727.40-567,883,108.20

Finding the Fourth Proportional to 1,257,976,961.40, 1,886,947,727.40 and 567,883,108.20

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Solution

The fourth proportional to 1,257,976,961.40, 1,886,947,727.40 and 567,883,108.20 is: 851,816,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,976,961.40 : 1,886,947,727.40 = 567,883,108.20 : x
  2. Step 2: Convert to fraction form
    1,257,976,961.40/1,886,947,727.40 = 567,883,108.20/x
  3. Step 3: Cross multiply
    1,257,976,961.40x = 1,886,947,727.40 × 567,883,108.20
  4. Step 4: Simplify right side
    1,257,976,961.40x = 1,071,565,740,446,838,400
  5. Step 5: Solve for x
    x = 1,071,565,740,446,838,400/1,257,976,961.40
  6. Step 6: Final answer
    x = 851,816,665.43

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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.