Home / 577,460,028.20-866,402,618.70-189,295,521.80

Finding the Fourth Proportional to 577,460,028.20, 866,402,618.70 and 189,295,521.80

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Solution

The fourth proportional to 577,460,028.20, 866,402,618.70 and 189,295,521.80 is: 284,012,966.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,460,028.20 : 866,402,618.70 = 189,295,521.80 : x
  2. Step 2: Convert to fraction form
    577,460,028.20/866,402,618.70 = 189,295,521.80/x
  3. Step 3: Cross multiply
    577,460,028.20x = 866,402,618.70 × 189,295,521.80
  4. Step 4: Simplify right side
    577,460,028.20x = 164,006,135,795,702,944
  5. Step 5: Solve for x
    x = 164,006,135,795,702,944/577,460,028.20
  6. Step 6: Final answer
    x = 284,012,966.76

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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.