Home / 1,107,346,947.37-1,661,185,585.11-407,785,294.15

Finding the Fourth Proportional to 1,107,346,947.37, 1,661,185,585.11 and 407,785,294.15

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Solution

The fourth proportional to 1,107,346,947.37, 1,661,185,585.11 and 407,785,294.15 is: 611,738,763.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,346,947.37 : 1,661,185,585.11 = 407,785,294.15 : x
  2. Step 2: Convert to fraction form
    1,107,346,947.37/1,661,185,585.11 = 407,785,294.15/x
  3. Step 3: Cross multiply
    1,107,346,947.37x = 1,661,185,585.11 × 407,785,294.15
  4. Step 4: Simplify right side
    1,107,346,947.37x = 677,407,052,459,176,960
  5. Step 5: Solve for x
    x = 677,407,052,459,176,960/1,107,346,947.37
  6. Step 6: Final answer
    x = 611,738,763.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.