Home / 1,258,735,225.20-1,886,087,298.60-827,409,836.40

Finding the Fourth Proportional to 1,258,735,225.20, 1,886,087,298.60 and 827,409,836.40

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Solution

The fourth proportional to 1,258,735,225.20, 1,886,087,298.60 and 827,409,836.40 is: 1,239,789,871.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,735,225.20 : 1,886,087,298.60 = 827,409,836.40 : x
  2. Step 2: Convert to fraction form
    1,258,735,225.20/1,886,087,298.60 = 827,409,836.40/x
  3. Step 3: Cross multiply
    1,258,735,225.20x = 1,886,087,298.60 × 827,409,836.40
  4. Step 4: Simplify right side
    1,258,735,225.20x = 1,560,567,183,170,743,808
  5. Step 5: Solve for x
    x = 1,560,567,183,170,743,808/1,258,735,225.20
  6. Step 6: Final answer
    x = 1,239,789,871.55

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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.