Home / 1,102,430,506.80-1,653,645,760.20-489,014,732.55

Finding the Fourth Proportional to 1,102,430,506.80, 1,653,645,760.20 and 489,014,732.55

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Solution

The fourth proportional to 1,102,430,506.80, 1,653,645,760.20 and 489,014,732.55 is: 733,522,098.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,430,506.80 : 1,653,645,760.20 = 489,014,732.55 : x
  2. Step 2: Convert to fraction form
    1,102,430,506.80/1,653,645,760.20 = 489,014,732.55/x
  3. Step 3: Cross multiply
    1,102,430,506.80x = 1,653,645,760.20 × 489,014,732.55
  4. Step 4: Simplify right side
    1,102,430,506.80x = 808,657,139,156,644,480
  5. Step 5: Solve for x
    x = 808,657,139,156,644,480/1,102,430,506.80
  6. Step 6: Final answer
    x = 733,522,098.83

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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.