Home / 831,048,101.67-1,244,585,725.68-461,666,897.64

Finding the Fourth Proportional to 831,048,101.67, 1,244,585,725.68 and 461,666,897.64

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Solution

The fourth proportional to 831,048,101.67, 1,244,585,725.68 and 461,666,897.64 is: 691,396,839.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,048,101.67 : 1,244,585,725.68 = 461,666,897.64 : x
  2. Step 2: Convert to fraction form
    831,048,101.67/1,244,585,725.68 = 461,666,897.64/x
  3. Step 3: Cross multiply
    831,048,101.67x = 1,244,585,725.68 × 461,666,897.64
  4. Step 4: Simplify right side
    831,048,101.67x = 574,584,030,823,421,888
  5. Step 5: Solve for x
    x = 574,584,030,823,421,888/831,048,101.67
  6. Step 6: Final answer
    x = 691,396,839.32

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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.