Home / 28,672,907,306.63-42,997,527,695.20-9,787,716,106.73

Finding the Fourth Proportional to 28,672,907,306.63, 42,997,527,695.20 and 9,787,716,106.73

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Solution

The fourth proportional to 28,672,907,306.63, 42,997,527,695.20 and 9,787,716,106.73 is: 14,677,534,784.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,672,907,306.63 : 42,997,527,695.20 = 9,787,716,106.73 : x
  2. Step 2: Convert to fraction form
    28,672,907,306.63/42,997,527,695.20 = 9,787,716,106.73/x
  3. Step 3: Cross multiply
    28,672,907,306.63x = 42,997,527,695.20 × 9,787,716,106.73
  4. Step 4: Simplify right side
    28,672,907,306.63x = 420,847,594,371,663,265,792
  5. Step 5: Solve for x
    x = 420,847,594,371,663,265,792/28,672,907,306.63
  6. Step 6: Final answer
    x = 14,677,534,784.70

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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.