Home / 658,964,156.16-909,384,428.06-361,603,797.24

Finding the Fourth Proportional to 658,964,156.16, 909,384,428.06 and 361,603,797.24

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Solution

The fourth proportional to 658,964,156.16, 909,384,428.06 and 361,603,797.24 is: 499,020,863.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,964,156.16 : 909,384,428.06 = 361,603,797.24 : x
  2. Step 2: Convert to fraction form
    658,964,156.16/909,384,428.06 = 361,603,797.24/x
  3. Step 3: Cross multiply
    658,964,156.16x = 909,384,428.06 × 361,603,797.24
  4. Step 4: Simplify right side
    658,964,156.16x = 328,836,862,337,421,568
  5. Step 5: Solve for x
    x = 328,836,862,337,421,568/658,964,156.16
  6. Step 6: Final answer
    x = 499,020,863.67

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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.