Home / 12,726,648,152.10-17,563,318,787.21-7,087,863,099.42

Finding the Fourth Proportional to 12,726,648,152.10, 17,563,318,787.21 and 7,087,863,099.42

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Solution

The fourth proportional to 12,726,648,152.10, 17,563,318,787.21 and 7,087,863,099.42 is: 9,781,554,235.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,726,648,152.10 : 17,563,318,787.21 = 7,087,863,099.42 : x
  2. Step 2: Convert to fraction form
    12,726,648,152.10/17,563,318,787.21 = 7,087,863,099.42/x
  3. Step 3: Cross multiply
    12,726,648,152.10x = 17,563,318,787.21 × 7,087,863,099.42
  4. Step 4: Simplify right side
    12,726,648,152.10x = 124,486,399,135,180,357,632
  5. Step 5: Solve for x
    x = 124,486,399,135,180,357,632/12,726,648,152.10
  6. Step 6: Final answer
    x = 9,781,554,235.44

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.