Home / 490,680,801.30-735,396,011.55-260,760,033.30

Finding the Fourth Proportional to 490,680,801.30, 735,396,011.55 and 260,760,033.30

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Solution

The fourth proportional to 490,680,801.30, 735,396,011.55 and 260,760,033.30 is: 390,807,808.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,680,801.30 : 735,396,011.55 = 260,760,033.30 : x
  2. Step 2: Convert to fraction form
    490,680,801.30/735,396,011.55 = 260,760,033.30/x
  3. Step 3: Cross multiply
    490,680,801.30x = 735,396,011.55 × 260,760,033.30
  4. Step 4: Simplify right side
    490,680,801.30x = 191,761,888,460,465,184
  5. Step 5: Solve for x
    x = 191,761,888,460,465,184/490,680,801.30
  6. Step 6: Final answer
    x = 390,807,808.16

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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.