Home / 499,439,986,568.64-689,109,052,353.12-282,666,181,029.84

Finding the Fourth Proportional to 499,439,986,568.64, 689,109,052,353.12 and 282,666,181,029.84

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Solution

The fourth proportional to 499,439,986,568.64, 689,109,052,353.12 and 282,666,181,029.84 is: 390,012,472,729.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,439,986,568.64 : 689,109,052,353.12 = 282,666,181,029.84 : x
  2. Step 2: Convert to fraction form
    499,439,986,568.64/689,109,052,353.12 = 282,666,181,029.84/x
  3. Step 3: Cross multiply
    499,439,986,568.64x = 689,109,052,353.12 × 282,666,181,029.84
  4. Step 4: Simplify right side
    499,439,986,568.64x = 194,787,824,141,748,540,538,880
  5. Step 5: Solve for x
    x = 194,787,824,141,748,540,538,880/499,439,986,568.64
  6. Step 6: Final answer
    x = 390,012,472,729.75

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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.