Home / 28,082,315,894-38,754,095,260.92-15,222,377,040.08

Finding the Fourth Proportional to 28,082,315,894, 38,754,095,260.92 and 15,222,377,040.08

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Solution

The fourth proportional to 28,082,315,894, 38,754,095,260.92 and 15,222,377,040.08 is: 21,007,150,981.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,082,315,894 : 38,754,095,260.92 = 15,222,377,040.08 : x
  2. Step 2: Convert to fraction form
    28,082,315,894/38,754,095,260.92 = 15,222,377,040.08/x
  3. Step 3: Cross multiply
    28,082,315,894x = 38,754,095,260.92 × 15,222,377,040.08
  4. Step 4: Simplify right side
    28,082,315,894x = 589,929,449,908,901,707,776
  5. Step 5: Solve for x
    x = 589,929,449,908,901,707,776/28,082,315,894
  6. Step 6: Final answer
    x = 21,007,150,981.98

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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.