Home / 857,304,072.40-1,285,956,108.60-851,257,454.80

Finding the Fourth Proportional to 857,304,072.40, 1,285,956,108.60 and 851,257,454.80

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Solution

The fourth proportional to 857,304,072.40, 1,285,956,108.60 and 851,257,454.80 is: 1,276,886,182.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,072.40 : 1,285,956,108.60 = 851,257,454.80 : x
  2. Step 2: Convert to fraction form
    857,304,072.40/1,285,956,108.60 = 851,257,454.80/x
  3. Step 3: Cross multiply
    857,304,072.40x = 1,285,956,108.60 × 851,257,454.80
  4. Step 4: Simplify right side
    857,304,072.40x = 1,094,679,723,991,348,224
  5. Step 5: Solve for x
    x = 1,094,679,723,991,348,224/857,304,072.40
  6. Step 6: Final answer
    x = 1,276,886,182.20

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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.