Home / 605,315,336.27-907,237,622.90-328,309,686.63

Finding the Fourth Proportional to 605,315,336.27, 907,237,622.90 and 328,309,686.63

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Solution

The fourth proportional to 605,315,336.27, 907,237,622.90 and 328,309,686.63 is: 492,065,675.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,315,336.27 : 907,237,622.90 = 328,309,686.63 : x
  2. Step 2: Convert to fraction form
    605,315,336.27/907,237,622.90 = 328,309,686.63/x
  3. Step 3: Cross multiply
    605,315,336.27x = 907,237,622.90 × 328,309,686.63
  4. Step 4: Simplify right side
    605,315,336.27x = 297,854,899,674,065,920
  5. Step 5: Solve for x
    x = 297,854,899,674,065,920/605,315,336.27
  6. Step 6: Final answer
    x = 492,065,675.24

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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.