Home / 651,508,171.80-899,074,942.56-484,989,097.56

Finding the Fourth Proportional to 651,508,171.80, 899,074,942.56 and 484,989,097.56

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Solution

The fourth proportional to 651,508,171.80, 899,074,942.56 and 484,989,097.56 is: 669,280,239.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,508,171.80 : 899,074,942.56 = 484,989,097.56 : x
  2. Step 2: Convert to fraction form
    651,508,171.80/899,074,942.56 = 484,989,097.56/x
  3. Step 3: Cross multiply
    651,508,171.80x = 899,074,942.56 × 484,989,097.56
  4. Step 4: Simplify right side
    651,508,171.80x = 436,041,545,030,983,232
  5. Step 5: Solve for x
    x = 436,041,545,030,983,232/651,508,171.80
  6. Step 6: Final answer
    x = 669,280,239.15

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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.