Home / 659,311,472,768.55-989,039,768,564.02-240,643,670,144.55

Finding the Fourth Proportional to 659,311,472,768.55, 989,039,768,564.02 and 240,643,670,144.55

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Solution

The fourth proportional to 659,311,472,768.55, 989,039,768,564.02 and 240,643,670,144.55 is: 360,991,988,849.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,768.55 : 989,039,768,564.02 = 240,643,670,144.55 : x
  2. Step 2: Convert to fraction form
    659,311,472,768.55/989,039,768,564.02 = 240,643,670,144.55/x
  3. Step 3: Cross multiply
    659,311,472,768.55x = 989,039,768,564.02 × 240,643,670,144.55
  4. Step 4: Simplify right side
    659,311,472,768.55x = 238,006,159,826,162,085,265,408
  5. Step 5: Solve for x
    x = 238,006,159,826,162,085,265,408/659,311,472,768.55
  6. Step 6: Final answer
    x = 360,991,988,849.73

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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.