Home / 857,304,006.90-1,285,956,010.35-851,257,389.30

Finding the Fourth Proportional to 857,304,006.90, 1,285,956,010.35 and 851,257,389.30

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Solution

The fourth proportional to 857,304,006.90, 1,285,956,010.35 and 851,257,389.30 is: 1,276,886,083.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,304,006.90 : 1,285,956,010.35 = 851,257,389.30 : x
  2. Step 2: Convert to fraction form
    857,304,006.90/1,285,956,010.35 = 851,257,389.30/x
  3. Step 3: Cross multiply
    857,304,006.90x = 1,285,956,010.35 × 851,257,389.30
  4. Step 4: Simplify right side
    857,304,006.90x = 1,094,679,556,125,184,640
  5. Step 5: Solve for x
    x = 1,094,679,556,125,184,640/857,304,006.90
  6. Step 6: Final answer
    x = 1,276,886,083.95

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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.