Home / 1,168,420,030.20-1,612,527,808.92-646,899,262.20

Finding the Fourth Proportional to 1,168,420,030.20, 1,612,527,808.92 and 646,899,262.20

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Solution

The fourth proportional to 1,168,420,030.20, 1,612,527,808.92 and 646,899,262.20 is: 892,780,868.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,168,420,030.20 : 1,612,527,808.92 = 646,899,262.20 : x
  2. Step 2: Convert to fraction form
    1,168,420,030.20/1,612,527,808.92 = 646,899,262.20/x
  3. Step 3: Cross multiply
    1,168,420,030.20x = 1,612,527,808.92 × 646,899,262.20
  4. Step 4: Simplify right side
    1,168,420,030.20x = 1,043,143,049,867,330,688
  5. Step 5: Solve for x
    x = 1,043,143,049,867,330,688/1,168,420,030.20
  6. Step 6: Final answer
    x = 892,780,868.96

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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.