Home / 1,518,441,089.90-2,277,661,634.85-427,924,157.90

Finding the Fourth Proportional to 1,518,441,089.90, 2,277,661,634.85 and 427,924,157.90

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Solution

The fourth proportional to 1,518,441,089.90, 2,277,661,634.85 and 427,924,157.90 is: 641,886,236.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,441,089.90 : 2,277,661,634.85 = 427,924,157.90 : x
  2. Step 2: Convert to fraction form
    1,518,441,089.90/2,277,661,634.85 = 427,924,157.90/x
  3. Step 3: Cross multiply
    1,518,441,089.90x = 2,277,661,634.85 × 427,924,157.90
  4. Step 4: Simplify right side
    1,518,441,089.90x = 974,666,437,074,323,456
  5. Step 5: Solve for x
    x = 974,666,437,074,323,456/1,518,441,089.90
  6. Step 6: Final answer
    x = 641,886,236.85

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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.