Home / 857,304,004.90-1,285,956,007.35-851,257,387.30

Finding the Fourth Proportional to 857,304,004.90, 1,285,956,007.35 and 851,257,387.30

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Solution

The fourth proportional to 857,304,004.90, 1,285,956,007.35 and 851,257,387.30 is: 1,276,886,080.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,004.90 : 1,285,956,007.35 = 851,257,387.30 : x
  2. Step 2: Convert to fraction form
    857,304,004.90/1,285,956,007.35 = 851,257,387.30/x
  3. Step 3: Cross multiply
    857,304,004.90x = 1,285,956,007.35 × 851,257,387.30
  4. Step 4: Simplify right side
    857,304,004.90x = 1,094,679,550,999,500,416
  5. Step 5: Solve for x
    x = 1,094,679,550,999,500,416/857,304,004.90
  6. Step 6: Final answer
    x = 1,276,886,080.95

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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.