Home / 537,120,081.60-805,680,122.40-429,624,657.60

Finding the Fourth Proportional to 537,120,081.60, 805,680,122.40 and 429,624,657.60

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Solution

The fourth proportional to 537,120,081.60, 805,680,122.40 and 429,624,657.60 is: 644,436,986.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,120,081.60 : 805,680,122.40 = 429,624,657.60 : x
  2. Step 2: Convert to fraction form
    537,120,081.60/805,680,122.40 = 429,624,657.60/x
  3. Step 3: Cross multiply
    537,120,081.60x = 805,680,122.40 × 429,624,657.60
  4. Step 4: Simplify right side
    537,120,081.60x = 346,140,046,721,226,112
  5. Step 5: Solve for x
    x = 346,140,046,721,226,112/537,120,081.60
  6. Step 6: Final answer
    x = 644,436,986.40

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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.