Home / 1,017,930,905.20-1,526,896,357.80-501,370,253.20

Finding the Fourth Proportional to 1,017,930,905.20, 1,526,896,357.80 and 501,370,253.20

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Solution

The fourth proportional to 1,017,930,905.20, 1,526,896,357.80 and 501,370,253.20 is: 752,055,379.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,930,905.20 : 1,526,896,357.80 = 501,370,253.20 : x
  2. Step 2: Convert to fraction form
    1,017,930,905.20/1,526,896,357.80 = 501,370,253.20/x
  3. Step 3: Cross multiply
    1,017,930,905.20x = 1,526,896,357.80 × 501,370,253.20
  4. Step 4: Simplify right side
    1,017,930,905.20x = 765,540,413,520,343,808
  5. Step 5: Solve for x
    x = 765,540,413,520,343,808/1,017,930,905.20
  6. Step 6: Final answer
    x = 752,055,379.80

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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.