Home / 28,082,315,895-38,754,095,262.30-15,222,377,041.08

Finding the Fourth Proportional to 28,082,315,895, 38,754,095,262.30 and 15,222,377,041.08

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Solution

The fourth proportional to 28,082,315,895, 38,754,095,262.30 and 15,222,377,041.08 is: 21,007,150,983.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,315,895 : 38,754,095,262.30 = 15,222,377,041.08 : x
  2. Step 2: Convert to fraction form
    28,082,315,895/38,754,095,262.30 = 15,222,377,041.08/x
  3. Step 3: Cross multiply
    28,082,315,895x = 38,754,095,262.30 × 15,222,377,041.08
  4. Step 4: Simplify right side
    28,082,315,895x = 589,929,449,968,662,740,992
  5. Step 5: Solve for x
    x = 589,929,449,968,662,740,992/28,082,315,895
  6. Step 6: Final answer
    x = 21,007,150,983.36

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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.