Home / 900,795,032.19-1,351,396,295.13-486,262,956.65

Finding the Fourth Proportional to 900,795,032.19, 1,351,396,295.13 and 486,262,956.65

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Solution

The fourth proportional to 900,795,032.19, 1,351,396,295.13 and 486,262,956.65 is: 729,504,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    900,795,032.19 : 1,351,396,295.13 = 486,262,956.65 : x
  2. Step 2: Convert to fraction form
    900,795,032.19/1,351,396,295.13 = 486,262,956.65/x
  3. Step 3: Cross multiply
    900,795,032.19x = 1,351,396,295.13 × 486,262,956.65
  4. Step 4: Simplify right side
    900,795,032.19x = 657,133,958,069,012,864
  5. Step 5: Solve for x
    x = 657,133,958,069,012,864/900,795,032.19
  6. Step 6: Final answer
    x = 729,504,420.64

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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.