Home / 929,298,021.96-1,282,385,141.28-511,601,339.16

Finding the Fourth Proportional to 929,298,021.96, 1,282,385,141.28 and 511,601,339.16

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Solution

The fourth proportional to 929,298,021.96, 1,282,385,141.28 and 511,601,339.16 is: 705,984,452.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,298,021.96 : 1,282,385,141.28 = 511,601,339.16 : x
  2. Step 2: Convert to fraction form
    929,298,021.96/1,282,385,141.28 = 511,601,339.16/x
  3. Step 3: Cross multiply
    929,298,021.96x = 1,282,385,141.28 × 511,601,339.16
  4. Step 4: Simplify right side
    929,298,021.96x = 656,069,955,597,733,760
  5. Step 5: Solve for x
    x = 656,069,955,597,733,760/929,298,021.96
  6. Step 6: Final answer
    x = 705,984,452.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.