Home / 7,888,914,138.30-11,833,371,207.45-3,812,050,650.30

Finding the Fourth Proportional to 7,888,914,138.30, 11,833,371,207.45 and 3,812,050,650.30

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Solution

The fourth proportional to 7,888,914,138.30, 11,833,371,207.45 and 3,812,050,650.30 is: 5,718,075,975.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,914,138.30 : 11,833,371,207.45 = 3,812,050,650.30 : x
  2. Step 2: Convert to fraction form
    7,888,914,138.30/11,833,371,207.45 = 3,812,050,650.30/x
  3. Step 3: Cross multiply
    7,888,914,138.30x = 11,833,371,207.45 × 3,812,050,650.30
  4. Step 4: Simplify right side
    7,888,914,138.30x = 45,109,410,406,601,072,640
  5. Step 5: Solve for x
    x = 45,109,410,406,601,072,640/7,888,914,138.30
  6. Step 6: Final answer
    x = 5,718,075,975.45

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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.