Home / 499,439,986,574.64-689,109,052,361.40-282,666,181,035.84

Finding the Fourth Proportional to 499,439,986,574.64, 689,109,052,361.40 and 282,666,181,035.84

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Solution

The fourth proportional to 499,439,986,574.64, 689,109,052,361.40 and 282,666,181,035.84 is: 390,012,472,738.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,439,986,574.64 : 689,109,052,361.40 = 282,666,181,035.84 : x
  2. Step 2: Convert to fraction form
    499,439,986,574.64/689,109,052,361.40 = 282,666,181,035.84/x
  3. Step 3: Cross multiply
    499,439,986,574.64x = 689,109,052,361.40 × 282,666,181,035.84
  4. Step 4: Simplify right side
    499,439,986,574.64x = 194,787,824,148,223,673,499,648
  5. Step 5: Solve for x
    x = 194,787,824,148,223,673,499,648/499,439,986,574.64
  6. Step 6: Final answer
    x = 390,012,472,738.03

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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.