Home / 527,362,696.32-727,693,629.84-289,145,191.68

Finding the Fourth Proportional to 527,362,696.32, 727,693,629.84 and 289,145,191.68

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Solution

The fourth proportional to 527,362,696.32, 727,693,629.84 and 289,145,191.68 is: 398,983,689.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,362,696.32 : 727,693,629.84 = 289,145,191.68 : x
  2. Step 2: Convert to fraction form
    527,362,696.32/727,693,629.84 = 289,145,191.68/x
  3. Step 3: Cross multiply
    527,362,696.32x = 727,693,629.84 × 289,145,191.68
  4. Step 4: Simplify right side
    527,362,696.32x = 210,409,114,084,401,792
  5. Step 5: Solve for x
    x = 210,409,114,084,401,792/527,362,696.32
  6. Step 6: Final answer
    x = 398,983,689.12

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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.