Home / 857,304,048.40-1,285,956,072.60-851,257,430.80

Finding the Fourth Proportional to 857,304,048.40, 1,285,956,072.60 and 851,257,430.80

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Solution

The fourth proportional to 857,304,048.40, 1,285,956,072.60 and 851,257,430.80 is: 1,276,886,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,048.40 : 1,285,956,072.60 = 851,257,430.80 : x
  2. Step 2: Convert to fraction form
    857,304,048.40/1,285,956,072.60 = 851,257,430.80/x
  3. Step 3: Cross multiply
    857,304,048.40x = 1,285,956,072.60 × 851,257,430.80
  4. Step 4: Simplify right side
    857,304,048.40x = 1,094,679,662,483,134,080
  5. Step 5: Solve for x
    x = 1,094,679,662,483,134,080/857,304,048.40
  6. Step 6: Final answer
    x = 1,276,886,146.20

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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.