Home / 7,888,914,143.30-11,833,371,214.95-3,812,050,655.30

Finding the Fourth Proportional to 7,888,914,143.30, 11,833,371,214.95 and 3,812,050,655.30

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Solution

The fourth proportional to 7,888,914,143.30, 11,833,371,214.95 and 3,812,050,655.30 is: 5,718,075,982.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,888,914,143.30 : 11,833,371,214.95 = 3,812,050,655.30 : x
  2. Step 2: Convert to fraction form
    7,888,914,143.30/11,833,371,214.95 = 3,812,050,655.30/x
  3. Step 3: Cross multiply
    7,888,914,143.30x = 11,833,371,214.95 × 3,812,050,655.30
  4. Step 4: Simplify right side
    7,888,914,143.30x = 45,109,410,494,358,306,816
  5. Step 5: Solve for x
    x = 45,109,410,494,358,306,816/7,888,914,143.30
  6. Step 6: Final answer
    x = 5,718,075,982.95

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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.