Home / 693,217,705.20-1,039,574,615.40-233,170,882.80

Finding the Fourth Proportional to 693,217,705.20, 1,039,574,615.40 and 233,170,882.80

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Solution

The fourth proportional to 693,217,705.20, 1,039,574,615.40 and 233,170,882.80 is: 349,671,580.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,217,705.20 : 1,039,574,615.40 = 233,170,882.80 : x
  2. Step 2: Convert to fraction form
    693,217,705.20/1,039,574,615.40 = 233,170,882.80/x
  3. Step 3: Cross multiply
    693,217,705.20x = 1,039,574,615.40 × 233,170,882.80
  4. Step 4: Simplify right side
    693,217,705.20x = 242,398,530,809,288,480
  5. Step 5: Solve for x
    x = 242,398,530,809,288,480/693,217,705.20
  6. Step 6: Final answer
    x = 349,671,580.79

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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.