Home / 499,439,986,573.14-689,109,052,359.33-282,666,181,034.34

Finding the Fourth Proportional to 499,439,986,573.14, 689,109,052,359.33 and 282,666,181,034.34

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Solution

The fourth proportional to 499,439,986,573.14, 689,109,052,359.33 and 282,666,181,034.34 is: 390,012,472,735.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,439,986,573.14 : 689,109,052,359.33 = 282,666,181,034.34 : x
  2. Step 2: Convert to fraction form
    499,439,986,573.14/689,109,052,359.33 = 282,666,181,034.34/x
  3. Step 3: Cross multiply
    499,439,986,573.14x = 689,109,052,359.33 × 282,666,181,034.34
  4. Step 4: Simplify right side
    499,439,986,573.14x = 194,787,824,146,604,873,482,240
  5. Step 5: Solve for x
    x = 194,787,824,146,604,873,482,240/499,439,986,573.14
  6. Step 6: Final answer
    x = 390,012,472,735.96

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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.