Home / 1,017,930,737.70-1,526,896,106.55-501,370,085.70

Finding the Fourth Proportional to 1,017,930,737.70, 1,526,896,106.55 and 501,370,085.70

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Solution

The fourth proportional to 1,017,930,737.70, 1,526,896,106.55 and 501,370,085.70 is: 752,055,128.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,930,737.70 : 1,526,896,106.55 = 501,370,085.70 : x
  2. Step 2: Convert to fraction form
    1,017,930,737.70/1,526,896,106.55 = 501,370,085.70/x
  3. Step 3: Cross multiply
    1,017,930,737.70x = 1,526,896,106.55 × 501,370,085.70
  4. Step 4: Simplify right side
    1,017,930,737.70x = 765,540,031,795,969,792
  5. Step 5: Solve for x
    x = 765,540,031,795,969,792/1,017,930,737.70
  6. Step 6: Final answer
    x = 752,055,128.55

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Double scale
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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.