Home / 509,732,874,440.35-703,431,435,581.93-281,362,159,522.95

Finding the Fourth Proportional to 509,732,874,440.35, 703,431,435,581.93 and 281,362,159,522.95

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Solution

The fourth proportional to 509,732,874,440.35, 703,431,435,581.93 and 281,362,159,522.95 is: 388,279,818,147.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,732,874,440.35 : 703,431,435,581.93 = 281,362,159,522.95 : x
  2. Step 2: Convert to fraction form
    509,732,874,440.35/703,431,435,581.93 = 281,362,159,522.95/x
  3. Step 3: Cross multiply
    509,732,874,440.35x = 703,431,435,581.93 × 281,362,159,522.95
  4. Step 4: Simplify right side
    509,732,874,440.35x = 197,918,987,791,660,736,315,392
  5. Step 5: Solve for x
    x = 197,918,987,791,660,736,315,392/509,732,874,440.35
  6. Step 6: Final answer
    x = 388,279,818,147.81

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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.