Home / 499,439,986,571.64-689,109,052,357.26-282,666,181,032.84

Finding the Fourth Proportional to 499,439,986,571.64, 689,109,052,357.26 and 282,666,181,032.84

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Solution

The fourth proportional to 499,439,986,571.64, 689,109,052,357.26 and 282,666,181,032.84 is: 390,012,472,733.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,439,986,571.64 : 689,109,052,357.26 = 282,666,181,032.84 : x
  2. Step 2: Convert to fraction form
    499,439,986,571.64/689,109,052,357.26 = 282,666,181,032.84/x
  3. Step 3: Cross multiply
    499,439,986,571.64x = 689,109,052,357.26 × 282,666,181,032.84
  4. Step 4: Simplify right side
    499,439,986,571.64x = 194,787,824,144,986,107,019,264
  5. Step 5: Solve for x
    x = 194,787,824,144,986,107,019,264/499,439,986,571.64
  6. Step 6: Final answer
    x = 390,012,472,733.89

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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.