Home / 366,471,683.80-549,707,525.70-221,069,426.20

Finding the Fourth Proportional to 366,471,683.80, 549,707,525.70 and 221,069,426.20

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Solution

The fourth proportional to 366,471,683.80, 549,707,525.70 and 221,069,426.20 is: 331,604,139.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,471,683.80 : 549,707,525.70 = 221,069,426.20 : x
  2. Step 2: Convert to fraction form
    366,471,683.80/549,707,525.70 = 221,069,426.20/x
  3. Step 3: Cross multiply
    366,471,683.80x = 549,707,525.70 × 221,069,426.20
  4. Step 4: Simplify right side
    366,471,683.80x = 121,523,527,284,320,752
  5. Step 5: Solve for x
    x = 121,523,527,284,320,752/366,471,683.80
  6. Step 6: Final answer
    x = 331,604,139.30

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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.