Home / 857,304,028.40-1,285,956,042.60-851,257,410.80

Finding the Fourth Proportional to 857,304,028.40, 1,285,956,042.60 and 851,257,410.80

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Solution

The fourth proportional to 857,304,028.40, 1,285,956,042.60 and 851,257,410.80 is: 1,276,886,116.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,028.40 : 1,285,956,042.60 = 851,257,410.80 : x
  2. Step 2: Convert to fraction form
    857,304,028.40/1,285,956,042.60 = 851,257,410.80/x
  3. Step 3: Cross multiply
    857,304,028.40x = 1,285,956,042.60 × 851,257,410.80
  4. Step 4: Simplify right side
    857,304,028.40x = 1,094,679,611,226,290,304
  5. Step 5: Solve for x
    x = 1,094,679,611,226,290,304/857,304,028.40
  6. Step 6: Final answer
    x = 1,276,886,116.20

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1.5x scale

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.