Home / 857,304,024.40-1,285,956,036.60-851,257,406.80

Finding the Fourth Proportional to 857,304,024.40, 1,285,956,036.60 and 851,257,406.80

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Solution

The fourth proportional to 857,304,024.40, 1,285,956,036.60 and 851,257,406.80 is: 1,276,886,110.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,024.40 : 1,285,956,036.60 = 851,257,406.80 : x
  2. Step 2: Convert to fraction form
    857,304,024.40/1,285,956,036.60 = 851,257,406.80/x
  3. Step 3: Cross multiply
    857,304,024.40x = 1,285,956,036.60 × 851,257,406.80
  4. Step 4: Simplify right side
    857,304,024.40x = 1,094,679,600,974,921,728
  5. Step 5: Solve for x
    x = 1,094,679,600,974,921,728/857,304,024.40
  6. Step 6: Final answer
    x = 1,276,886,110.20

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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.