Home / 526,566,530.40-789,849,795.60-268,286,204.40

Finding the Fourth Proportional to 526,566,530.40, 789,849,795.60 and 268,286,204.40

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Solution

The fourth proportional to 526,566,530.40, 789,849,795.60 and 268,286,204.40 is: 402,429,306.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,566,530.40 : 789,849,795.60 = 268,286,204.40 : x
  2. Step 2: Convert to fraction form
    526,566,530.40/789,849,795.60 = 268,286,204.40/x
  3. Step 3: Cross multiply
    526,566,530.40x = 789,849,795.60 × 268,286,204.40
  4. Step 4: Simplify right side
    526,566,530.40x = 211,905,803,707,639,840
  5. Step 5: Solve for x
    x = 211,905,803,707,639,840/526,566,530.40
  6. Step 6: Final answer
    x = 402,429,306.60

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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.