Home / 7,015,038,538.12-10,521,286,285.18-2,817,822,233.64

Finding the Fourth Proportional to 7,015,038,538.12, 10,521,286,285.18 and 2,817,822,233.64

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Solution

The fourth proportional to 7,015,038,538.12, 10,521,286,285.18 and 2,817,822,233.64 is: 4,226,222,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015,038,538.12 : 10,521,286,285.18 = 2,817,822,233.64 : x
  2. Step 2: Convert to fraction form
    7,015,038,538.12/10,521,286,285.18 = 2,817,822,233.64/x
  3. Step 3: Cross multiply
    7,015,038,538.12x = 10,521,286,285.18 × 2,817,822,233.64
  4. Step 4: Simplify right side
    7,015,038,538.12x = 29,647,114,420,871,806,976
  5. Step 5: Solve for x
    x = 29,647,114,420,871,806,976/7,015,038,538.12
  6. Step 6: Final answer
    x = 4,226,222,601.60

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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.