Home / 693,146,620.89-1,039,711,915.98-168,518,694.51

Finding the Fourth Proportional to 693,146,620.89, 1,039,711,915.98 and 168,518,694.51

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Solution

The fourth proportional to 693,146,620.89, 1,039,711,915.98 and 168,518,694.51 is: 252,776,093.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,146,620.89 : 1,039,711,915.98 = 168,518,694.51 : x
  2. Step 2: Convert to fraction form
    693,146,620.89/1,039,711,915.98 = 168,518,694.51/x
  3. Step 3: Cross multiply
    693,146,620.89x = 1,039,711,915.98 × 168,518,694.51
  4. Step 4: Simplify right side
    693,146,620.89x = 175,210,894,747,440,416
  5. Step 5: Solve for x
    x = 175,210,894,747,440,416/693,146,620.89
  6. Step 6: Final answer
    x = 252,776,093.06

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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.