Home / 7,855,078,091.68-10,840,237,579.20-4,287,013,848.64

Finding the Fourth Proportional to 7,855,078,091.68, 10,840,237,579.20 and 4,287,013,848.64

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Solution

The fourth proportional to 7,855,078,091.68, 10,840,237,579.20 and 4,287,013,848.64 is: 5,916,204,534.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,855,078,091.68 : 10,840,237,579.20 = 4,287,013,848.64 : x
  2. Step 2: Convert to fraction form
    7,855,078,091.68/10,840,237,579.20 = 4,287,013,848.64/x
  3. Step 3: Cross multiply
    7,855,078,091.68x = 10,840,237,579.20 × 4,287,013,848.64
  4. Step 4: Simplify right side
    7,855,078,091.68x = 46,472,248,624,578,150,400
  5. Step 5: Solve for x
    x = 46,472,248,624,578,150,400/7,855,078,091.68
  6. Step 6: Final answer
    x = 5,916,204,534.47

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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.