Home / 18,779,062,519.80-28,168,593,779.70-10,071,933,175.80

Finding the Fourth Proportional to 18,779,062,519.80, 28,168,593,779.70 and 10,071,933,175.80

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Solution

The fourth proportional to 18,779,062,519.80, 28,168,593,779.70 and 10,071,933,175.80 is: 15,107,899,763.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,779,062,519.80 : 28,168,593,779.70 = 10,071,933,175.80 : x
  2. Step 2: Convert to fraction form
    18,779,062,519.80/28,168,593,779.70 = 10,071,933,175.80/x
  3. Step 3: Cross multiply
    18,779,062,519.80x = 28,168,593,779.70 × 10,071,933,175.80
  4. Step 4: Simplify right side
    18,779,062,519.80x = 283,712,194,205,393,944,576
  5. Step 5: Solve for x
    x = 283,712,194,205,393,944,576/18,779,062,519.80
  6. Step 6: Final answer
    x = 15,107,899,763.70

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1.5x scale

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.