Home / 1,501,961,371.72-2,072,667,417.60-832,904,712.16

Finding the Fourth Proportional to 1,501,961,371.72, 2,072,667,417.60 and 832,904,712.16

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Solution

The fourth proportional to 1,501,961,371.72, 2,072,667,417.60 and 832,904,712.16 is: 1,149,386,722.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,961,371.72 : 2,072,667,417.60 = 832,904,712.16 : x
  2. Step 2: Convert to fraction form
    1,501,961,371.72/2,072,667,417.60 = 832,904,712.16/x
  3. Step 3: Cross multiply
    1,501,961,371.72x = 2,072,667,417.60 × 832,904,712.16
  4. Step 4: Simplify right side
    1,501,961,371.72x = 1,726,334,458,859,538,432
  5. Step 5: Solve for x
    x = 1,726,334,458,859,538,432/1,501,961,371.72
  6. Step 6: Final answer
    x = 1,149,386,722.83

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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.