Home / 1,785,871,725.73-2,464,641,029.77-1,071,434,165.64

Finding the Fourth Proportional to 1,785,871,725.73, 2,464,641,029.77 and 1,071,434,165.64

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Solution

The fourth proportional to 1,785,871,725.73, 2,464,641,029.77 and 1,071,434,165.64 is: 1,478,661,970.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,871,725.73 : 2,464,641,029.77 = 1,071,434,165.64 : x
  2. Step 2: Convert to fraction form
    1,785,871,725.73/2,464,641,029.77 = 1,071,434,165.64/x
  3. Step 3: Cross multiply
    1,785,871,725.73x = 2,464,641,029.77 × 1,071,434,165.64
  4. Step 4: Simplify right side
    1,785,871,725.73x = 2,640,700,605,321,932,288
  5. Step 5: Solve for x
    x = 2,640,700,605,321,932,288/1,785,871,725.73
  6. Step 6: Final answer
    x = 1,478,661,970.67

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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.