Home / 659,311,472,687.55-989,039,768,442.45-240,643,670,063.55

Finding the Fourth Proportional to 659,311,472,687.55, 989,039,768,442.45 and 240,643,670,063.55

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Solution

The fourth proportional to 659,311,472,687.55, 989,039,768,442.45 and 240,643,670,063.55 is: 360,991,988,728.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,687.55 : 989,039,768,442.45 = 240,643,670,063.55 : x
  2. Step 2: Convert to fraction form
    659,311,472,687.55/989,039,768,442.45 = 240,643,670,063.55/x
  3. Step 3: Cross multiply
    659,311,472,687.55x = 989,039,768,442.45 × 240,643,670,063.55
  4. Step 4: Simplify right side
    659,311,472,687.55x = 238,006,159,716,794,803,159,040
  5. Step 5: Solve for x
    x = 238,006,159,716,794,803,159,040/659,311,472,687.55
  6. Step 6: Final answer
    x = 360,991,988,728.20

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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.