Home / 2,152,152,907.20-3,228,796,231.20-771,823,483.20

Finding the Fourth Proportional to 2,152,152,907.20, 3,228,796,231.20 and 771,823,483.20

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Solution

The fourth proportional to 2,152,152,907.20, 3,228,796,231.20 and 771,823,483.20 is: 1,157,938,520.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,152,152,907.20 : 3,228,796,231.20 = 771,823,483.20 : x
  2. Step 2: Convert to fraction form
    2,152,152,907.20/3,228,796,231.20 = 771,823,483.20/x
  3. Step 3: Cross multiply
    2,152,152,907.20x = 3,228,796,231.20 × 771,823,483.20
  4. Step 4: Simplify right side
    2,152,152,907.20x = 2,492,060,753,707,816,448
  5. Step 5: Solve for x
    x = 2,492,060,753,707,816,448/2,152,152,907.20
  6. Step 6: Final answer
    x = 1,157,938,520.71

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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.