Home / 21,254,658,069.48-31,882,106,287.22-7,089,584,932.55

Finding the Fourth Proportional to 21,254,658,069.48, 31,882,106,287.22 and 7,089,584,932.55

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Solution

The fourth proportional to 21,254,658,069.48, 31,882,106,287.22 and 7,089,584,932.55 is: 10,634,417,152.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,658,069.48 : 31,882,106,287.22 = 7,089,584,932.55 : x
  2. Step 2: Convert to fraction form
    21,254,658,069.48/31,882,106,287.22 = 7,089,584,932.55/x
  3. Step 3: Cross multiply
    21,254,658,069.48x = 31,882,106,287.22 × 7,089,584,932.55
  4. Step 4: Simplify right side
    21,254,658,069.48x = 226,030,900,351,637,684,224
  5. Step 5: Solve for x
    x = 226,030,900,351,637,684,224/21,254,658,069.48
  6. Step 6: Final answer
    x = 10,634,417,152.83

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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.