Home / 31,912,848,009.60-47,869,272,014.40-15,382,907,145.60

Finding the Fourth Proportional to 31,912,848,009.60, 47,869,272,014.40 and 15,382,907,145.60

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Solution

The fourth proportional to 31,912,848,009.60, 47,869,272,014.40 and 15,382,907,145.60 is: 23,074,360,718.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,912,848,009.60 : 47,869,272,014.40 = 15,382,907,145.60 : x
  2. Step 2: Convert to fraction form
    31,912,848,009.60/47,869,272,014.40 = 15,382,907,145.60/x
  3. Step 3: Cross multiply
    31,912,848,009.60x = 47,869,272,014.40 × 15,382,907,145.60
  4. Step 4: Simplify right side
    31,912,848,009.60x = 736,368,566,524,983,902,208
  5. Step 5: Solve for x
    x = 736,368,566,524,983,902,208/31,912,848,009.60
  6. Step 6: Final answer
    x = 23,074,360,718.40

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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.