Home / 945,290,975.96-1,418,147,271.30-290,308,102.85

Finding the Fourth Proportional to 945,290,975.96, 1,418,147,271.30 and 290,308,102.85

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Solution

The fourth proportional to 945,290,975.96, 1,418,147,271.30 and 290,308,102.85 is: 435,526,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,290,975.96 : 1,418,147,271.30 = 290,308,102.85 : x
  2. Step 2: Convert to fraction form
    945,290,975.96/1,418,147,271.30 = 290,308,102.85/x
  3. Step 3: Cross multiply
    945,290,975.96x = 1,418,147,271.30 × 290,308,102.85
  4. Step 4: Simplify right side
    945,290,975.96x = 411,699,643,897,655,872
  5. Step 5: Solve for x
    x = 411,699,643,897,655,872/945,290,975.96
  6. Step 6: Final answer
    x = 435,526,895.28

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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.