Home / 520,146,698.41-780,350,250.98-151,681,692.93

Finding the Fourth Proportional to 520,146,698.41, 780,350,250.98 and 151,681,692.93

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Solution

The fourth proportional to 520,146,698.41, 780,350,250.98 and 151,681,692.93 is: 227,560,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    520,146,698.41 : 780,350,250.98 = 151,681,692.93 : x
  2. Step 2: Convert to fraction form
    520,146,698.41/780,350,250.98 = 151,681,692.93/x
  3. Step 3: Cross multiply
    520,146,698.41x = 780,350,250.98 × 151,681,692.93
  4. Step 4: Simplify right side
    520,146,698.41x = 118,364,847,144,449,680
  5. Step 5: Solve for x
    x = 118,364,847,144,449,680/520,146,698.41
  6. Step 6: Final answer
    x = 227,560,508.42

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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.