Home / 21,254,658,157.98-31,882,106,420.10-7,089,585,021.18

Finding the Fourth Proportional to 21,254,658,157.98, 31,882,106,420.10 and 7,089,585,021.18

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Solution

The fourth proportional to 21,254,658,157.98, 31,882,106,420.10 and 7,089,585,021.18 is: 10,634,417,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,254,658,157.98 : 31,882,106,420.10 = 7,089,585,021.18 : x
  2. Step 2: Convert to fraction form
    21,254,658,157.98/31,882,106,420.10 = 7,089,585,021.18/x
  3. Step 3: Cross multiply
    21,254,658,157.98x = 31,882,106,420.10 × 7,089,585,021.18
  4. Step 4: Simplify right side
    21,254,658,157.98x = 226,030,904,119,607,656,448
  5. Step 5: Solve for x
    x = 226,030,904,119,607,656,448/21,254,658,157.98
  6. Step 6: Final answer
    x = 10,634,417,285.83

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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.