Home / 388,176,768,348.12-582,327,719,907.63-119,565,623,620.11

Finding the Fourth Proportional to 388,176,768,348.12, 582,327,719,907.63 and 119,565,623,620.11

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Solution

The fourth proportional to 388,176,768,348.12, 582,327,719,907.63 and 119,565,623,620.11 is: 179,367,707,342.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,176,768,348.12 : 582,327,719,907.63 = 119,565,623,620.11 : x
  2. Step 2: Convert to fraction form
    388,176,768,348.12/582,327,719,907.63 = 119,565,623,620.11/x
  3. Step 3: Cross multiply
    388,176,768,348.12x = 582,327,719,907.63 × 119,565,623,620.11
  4. Step 4: Simplify right side
    388,176,768,348.12x = 69,626,376,982,032,524,771,328
  5. Step 5: Solve for x
    x = 69,626,376,982,032,524,771,328/388,176,768,348.12
  6. Step 6: Final answer
    x = 179,367,707,342.01

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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.