Home / 319,199,051,619.06-440,494,406,647.68-180,179,595,287.40

Finding the Fourth Proportional to 319,199,051,619.06, 440,494,406,647.68 and 180,179,595,287.40

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Solution

The fourth proportional to 319,199,051,619.06, 440,494,406,647.68 and 180,179,595,287.40 is: 248,647,680,854.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,199,051,619.06 : 440,494,406,647.68 = 180,179,595,287.40 : x
  2. Step 2: Convert to fraction form
    319,199,051,619.06/440,494,406,647.68 = 180,179,595,287.40/x
  3. Step 3: Cross multiply
    319,199,051,619.06x = 440,494,406,647.68 × 180,179,595,287.40
  4. Step 4: Simplify right side
    319,199,051,619.06x = 79,368,103,916,142,378,090,496
  5. Step 5: Solve for x
    x = 79,368,103,916,142,378,090,496/319,199,051,619.06
  6. Step 6: Final answer
    x = 248,647,680,854.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.