Home / 659,311,472,698.80-989,039,768,459.40-240,643,670,074.80

Finding the Fourth Proportional to 659,311,472,698.80, 989,039,768,459.40 and 240,643,670,074.80

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Solution

The fourth proportional to 659,311,472,698.80, 989,039,768,459.40 and 240,643,670,074.80 is: 360,991,988,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,311,472,698.80 : 989,039,768,459.40 = 240,643,670,074.80 : x
  2. Step 2: Convert to fraction form
    659,311,472,698.80/989,039,768,459.40 = 240,643,670,074.80/x
  3. Step 3: Cross multiply
    659,311,472,698.80x = 989,039,768,459.40 × 240,643,670,074.80
  4. Step 4: Simplify right side
    659,311,472,698.80x = 238,006,159,732,000,430,227,456
  5. Step 5: Solve for x
    x = 238,006,159,732,000,430,227,456/659,311,472,698.80
  6. Step 6: Final answer
    x = 360,991,988,745.10

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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.