Home / 7,671,821,707.68-10,581,280,173.12-6,601,928,340.96

Finding the Fourth Proportional to 7,671,821,707.68, 10,581,280,173.12 and 6,601,928,340.96

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Solution

The fourth proportional to 7,671,821,707.68, 10,581,280,173.12 and 6,601,928,340.96 is: 9,105,640,892.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,671,821,707.68 : 10,581,280,173.12 = 6,601,928,340.96 : x
  2. Step 2: Convert to fraction form
    7,671,821,707.68/10,581,280,173.12 = 6,601,928,340.96/x
  3. Step 3: Cross multiply
    7,671,821,707.68x = 10,581,280,173.12 × 6,601,928,340.96
  4. Step 4: Simplify right side
    7,671,821,707.68x = 69,856,853,458,559,066,112
  5. Step 5: Solve for x
    x = 69,856,853,458,559,066,112/7,671,821,707.68
  6. Step 6: Final answer
    x = 9,105,640,892.13

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Double scale
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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.