Home / 5,314,442,615.70-7,971,663,923.55-3,936,947,543.70

Finding the Fourth Proportional to 5,314,442,615.70, 7,971,663,923.55 and 3,936,947,543.70

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Solution

The fourth proportional to 5,314,442,615.70, 7,971,663,923.55 and 3,936,947,543.70 is: 5,905,421,315.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,314,442,615.70 : 7,971,663,923.55 = 3,936,947,543.70 : x
  2. Step 2: Convert to fraction form
    5,314,442,615.70/7,971,663,923.55 = 3,936,947,543.70/x
  3. Step 3: Cross multiply
    5,314,442,615.70x = 7,971,663,923.55 × 3,936,947,543.70
  4. Step 4: Simplify right side
    5,314,442,615.70x = 31,384,022,703,022,075,904
  5. Step 5: Solve for x
    x = 31,384,022,703,022,075,904/5,314,442,615.70
  6. Step 6: Final answer
    x = 5,905,421,315.55

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Double scale
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Similar ratio
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1.5x scale

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.