Home / 659,311,472,760.05-989,039,768,551.27-240,643,670,136.05

Finding the Fourth Proportional to 659,311,472,760.05, 989,039,768,551.27 and 240,643,670,136.05

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Solution

The fourth proportional to 659,311,472,760.05, 989,039,768,551.27 and 240,643,670,136.05 is: 360,991,988,836.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,760.05 : 989,039,768,551.27 = 240,643,670,136.05 : x
  2. Step 2: Convert to fraction form
    659,311,472,760.05/989,039,768,551.27 = 240,643,670,136.05/x
  3. Step 3: Cross multiply
    659,311,472,760.05x = 989,039,768,551.27 × 240,643,670,136.05
  4. Step 4: Simplify right side
    659,311,472,760.05x = 238,006,159,814,687,039,946,752
  5. Step 5: Solve for x
    x = 238,006,159,814,687,039,946,752/659,311,472,760.05
  6. Step 6: Final answer
    x = 360,991,988,836.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.