Home / 709,971,228.42-1,065,071,277.72-218,684,269.62

Finding the Fourth Proportional to 709,971,228.42, 1,065,071,277.72 and 218,684,269.62

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Solution

The fourth proportional to 709,971,228.42, 1,065,071,277.72 and 218,684,269.62 is: 328,061,652.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,971,228.42 : 1,065,071,277.72 = 218,684,269.62 : x
  2. Step 2: Convert to fraction form
    709,971,228.42/1,065,071,277.72 = 218,684,269.62/x
  3. Step 3: Cross multiply
    709,971,228.42x = 1,065,071,277.72 × 218,684,269.62
  4. Step 4: Simplify right side
    709,971,228.42x = 232,914,334,461,438,400
  5. Step 5: Solve for x
    x = 232,914,334,461,438,400/709,971,228.42
  6. Step 6: Final answer
    x = 328,061,652.55

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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.