Home / 28,082,315,896-38,754,095,263.68-15,222,377,042.08

Finding the Fourth Proportional to 28,082,315,896, 38,754,095,263.68 and 15,222,377,042.08

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Solution

The fourth proportional to 28,082,315,896, 38,754,095,263.68 and 15,222,377,042.08 is: 21,007,150,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,315,896 : 38,754,095,263.68 = 15,222,377,042.08 : x
  2. Step 2: Convert to fraction form
    28,082,315,896/38,754,095,263.68 = 15,222,377,042.08/x
  3. Step 3: Cross multiply
    28,082,315,896x = 38,754,095,263.68 × 15,222,377,042.08
  4. Step 4: Simplify right side
    28,082,315,896x = 589,929,450,028,423,708,672
  5. Step 5: Solve for x
    x = 589,929,450,028,423,708,672/28,082,315,896
  6. Step 6: Final answer
    x = 21,007,150,984.74

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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.