Home / 1,090,894,790.15-1,636,342,206.87-261,848,432.67

Finding the Fourth Proportional to 1,090,894,790.15, 1,636,342,206.87 and 261,848,432.67

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Solution

The fourth proportional to 1,090,894,790.15, 1,636,342,206.87 and 261,848,432.67 is: 392,772,654.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,894,790.15 : 1,636,342,206.87 = 261,848,432.67 : x
  2. Step 2: Convert to fraction form
    1,090,894,790.15/1,636,342,206.87 = 261,848,432.67/x
  3. Step 3: Cross multiply
    1,090,894,790.15x = 1,636,342,206.87 × 261,848,432.67
  4. Step 4: Simplify right side
    1,090,894,790.15x = 428,473,642,175,510,912
  5. Step 5: Solve for x
    x = 428,473,642,175,510,912/1,090,894,790.15
  6. Step 6: Final answer
    x = 392,772,654.20

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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.