Home / 1,298,639,187.65-1,947,258,031.64-589,200,549.54

Finding the Fourth Proportional to 1,298,639,187.65, 1,947,258,031.64 and 589,200,549.54

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Solution

The fourth proportional to 1,298,639,187.65, 1,947,258,031.64 and 589,200,549.54 is: 883,482,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,639,187.65 : 1,947,258,031.64 = 589,200,549.54 : x
  2. Step 2: Convert to fraction form
    1,298,639,187.65/1,947,258,031.64 = 589,200,549.54/x
  3. Step 3: Cross multiply
    1,298,639,187.65x = 1,947,258,031.64 × 589,200,549.54
  4. Step 4: Simplify right side
    1,298,639,187.65x = 1,147,325,502,335,520,640
  5. Step 5: Solve for x
    x = 1,147,325,502,335,520,640/1,298,639,187.65
  6. Step 6: Final answer
    x = 883,482,889.82

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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.