Home / 7,363,139,715.80-10,160,839,239.80-4,147,974,809.92

Finding the Fourth Proportional to 7,363,139,715.80, 10,160,839,239.80 and 4,147,974,809.92

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Solution

The fourth proportional to 7,363,139,715.80, 10,160,839,239.80 and 4,147,974,809.92 is: 5,724,039,858.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,363,139,715.80 : 10,160,839,239.80 = 4,147,974,809.92 : x
  2. Step 2: Convert to fraction form
    7,363,139,715.80/10,160,839,239.80 = 4,147,974,809.92/x
  3. Step 3: Cross multiply
    7,363,139,715.80x = 10,160,839,239.80 × 4,147,974,809.92
  4. Step 4: Simplify right side
    7,363,139,715.80x = 42,146,905,214,337,081,344
  5. Step 5: Solve for x
    x = 42,146,905,214,337,081,344/7,363,139,715.80
  6. Step 6: Final answer
    x = 5,724,039,858.15

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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.