Home / 928,114,901.20-1,390,977,958.20-711,631,061.20

Finding the Fourth Proportional to 928,114,901.20, 1,390,977,958.20 and 711,631,061.20

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Solution

The fourth proportional to 928,114,901.20, 1,390,977,958.20 and 711,631,061.20 is: 1,066,530,791.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,114,901.20 : 1,390,977,958.20 = 711,631,061.20 : x
  2. Step 2: Convert to fraction form
    928,114,901.20/1,390,977,958.20 = 711,631,061.20/x
  3. Step 3: Cross multiply
    928,114,901.20x = 1,390,977,958.20 × 711,631,061.20
  4. Step 4: Simplify right side
    928,114,901.20x = 989,863,120,499,675,392
  5. Step 5: Solve for x
    x = 989,863,120,499,675,392/928,114,901.20
  6. Step 6: Final answer
    x = 1,066,530,791.84

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Double scale
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1.5x scale

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.