Home / 633,085,041.56-873,705,824.88-398,336,923.04

Finding the Fourth Proportional to 633,085,041.56, 873,705,824.88 and 398,336,923.04

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Solution

The fourth proportional to 633,085,041.56, 873,705,824.88 and 398,336,923.04 is: 549,735,449.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,085,041.56 : 873,705,824.88 = 398,336,923.04 : x
  2. Step 2: Convert to fraction form
    633,085,041.56/873,705,824.88 = 398,336,923.04/x
  3. Step 3: Cross multiply
    633,085,041.56x = 873,705,824.88 × 398,336,923.04
  4. Step 4: Simplify right side
    633,085,041.56x = 348,029,289,924,824,320
  5. Step 5: Solve for x
    x = 348,029,289,924,824,320/633,085,041.56
  6. Step 6: Final answer
    x = 549,735,449.55

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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.