Home / 659,311,472,755.80-989,039,768,544.90-240,643,670,131.80

Finding the Fourth Proportional to 659,311,472,755.80, 989,039,768,544.90 and 240,643,670,131.80

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Solution

The fourth proportional to 659,311,472,755.80, 989,039,768,544.90 and 240,643,670,131.80 is: 360,991,988,830.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,755.80 : 989,039,768,544.90 = 240,643,670,131.80 : x
  2. Step 2: Convert to fraction form
    659,311,472,755.80/989,039,768,544.90 = 240,643,670,131.80/x
  3. Step 3: Cross multiply
    659,311,472,755.80x = 989,039,768,544.90 × 240,643,670,131.80
  4. Step 4: Simplify right side
    659,311,472,755.80x = 238,006,159,808,950,742,024,192
  5. Step 5: Solve for x
    x = 238,006,159,808,950,742,024,192/659,311,472,755.80
  6. Step 6: Final answer
    x = 360,991,988,830.60

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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.