Home / 554,800,423.88-765,334,310.56-343,039,561.04

Finding the Fourth Proportional to 554,800,423.88, 765,334,310.56 and 343,039,561.04

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Solution

The fourth proportional to 554,800,423.88, 765,334,310.56 and 343,039,561.04 is: 473,215,114.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    554,800,423.88 : 765,334,310.56 = 343,039,561.04 : x
  2. Step 2: Convert to fraction form
    554,800,423.88/765,334,310.56 = 343,039,561.04/x
  3. Step 3: Cross multiply
    554,800,423.88x = 765,334,310.56 × 343,039,561.04
  4. Step 4: Simplify right side
    554,800,423.88x = 262,539,945,943,353,440
  5. Step 5: Solve for x
    x = 262,539,945,943,353,440/554,800,423.88
  6. Step 6: Final answer
    x = 473,215,114.20

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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.