Home / 1,239,791,701.56-1,710,912,452.52-682,874,748.69

Finding the Fourth Proportional to 1,239,791,701.56, 1,710,912,452.52 and 682,874,748.69

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Solution

The fourth proportional to 1,239,791,701.56, 1,710,912,452.52 and 682,874,748.69 is: 942,367,100.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,239,791,701.56 : 1,710,912,452.52 = 682,874,748.69 : x
  2. Step 2: Convert to fraction form
    1,239,791,701.56/1,710,912,452.52 = 682,874,748.69/x
  3. Step 3: Cross multiply
    1,239,791,701.56x = 1,710,912,452.52 × 682,874,748.69
  4. Step 4: Simplify right side
    1,239,791,701.56x = 1,168,338,911,045,186,560
  5. Step 5: Solve for x
    x = 1,168,338,911,045,186,560/1,239,791,701.56
  6. Step 6: Final answer
    x = 942,367,100.52

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Double scale
Find fourth proportional to 1,239,791,702.56, 1,710,912,453.90 and 682,874,749.69
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.