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Finding the Fourth Proportional to 565,248,087.80, 847,872,131.70 and 177,103,345.40

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Solution

The fourth proportional to 565,248,087.80, 847,872,131.70 and 177,103,345.40 is: 265,655,018.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,248,087.80 : 847,872,131.70 = 177,103,345.40 : x
  2. Step 2: Convert to fraction form
    565,248,087.80/847,872,131.70 = 177,103,345.40/x
  3. Step 3: Cross multiply
    565,248,087.80x = 847,872,131.70 × 177,103,345.40
  4. Step 4: Simplify right side
    565,248,087.80x = 150,160,990,995,499,392
  5. Step 5: Solve for x
    x = 150,160,990,995,499,392/565,248,087.80
  6. Step 6: Final answer
    x = 265,655,018.10

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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.