Home / 7,485,035,083.04-10,329,430,043.94-4,143,589,166.72

Finding the Fourth Proportional to 7,485,035,083.04, 10,329,430,043.94 and 4,143,589,166.72

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Solution

The fourth proportional to 7,485,035,083.04, 10,329,430,043.94 and 4,143,589,166.72 is: 5,718,198,238.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,485,035,083.04 : 10,329,430,043.94 = 4,143,589,166.72 : x
  2. Step 2: Convert to fraction form
    7,485,035,083.04/10,329,430,043.94 = 4,143,589,166.72/x
  3. Step 3: Cross multiply
    7,485,035,083.04x = 10,329,430,043.94 × 4,143,589,166.72
  4. Step 4: Simplify right side
    7,485,035,083.04x = 42,800,914,428,471,132,160
  5. Step 5: Solve for x
    x = 42,800,914,428,471,132,160/7,485,035,083.04
  6. Step 6: Final answer
    x = 5,718,198,238.70

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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.