Home / 25,907,078,981.88-38,862,990,018.42-7,274,449,280.76

Finding the Fourth Proportional to 25,907,078,981.88, 38,862,990,018.42 and 7,274,449,280.76

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Solution

The fourth proportional to 25,907,078,981.88, 38,862,990,018.42 and 7,274,449,280.76 is: 10,912,339,827.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,907,078,981.88 : 38,862,990,018.42 = 7,274,449,280.76 : x
  2. Step 2: Convert to fraction form
    25,907,078,981.88/38,862,990,018.42 = 7,274,449,280.76/x
  3. Step 3: Cross multiply
    25,907,078,981.88x = 38,862,990,018.42 × 7,274,449,280.76
  4. Step 4: Simplify right side
    25,907,078,981.88x = 282,706,849,787,678,425,088
  5. Step 5: Solve for x
    x = 282,706,849,787,678,425,088/25,907,078,981.88
  6. Step 6: Final answer
    x = 10,912,339,827.48

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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.