Home / 774,505,834.50-1,068,818,073.48-426,825,322.50

Finding the Fourth Proportional to 774,505,834.50, 1,068,818,073.48 and 426,825,322.50

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Solution

The fourth proportional to 774,505,834.50, 1,068,818,073.48 and 426,825,322.50 is: 589,018,957.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,505,834.50 : 1,068,818,073.48 = 426,825,322.50 : x
  2. Step 2: Convert to fraction form
    774,505,834.50/1,068,818,073.48 = 426,825,322.50/x
  3. Step 3: Cross multiply
    774,505,834.50x = 1,068,818,073.48 × 426,825,322.50
  4. Step 4: Simplify right side
    774,505,834.50x = 456,198,618,906,929,728
  5. Step 5: Solve for x
    x = 456,198,618,906,929,728/774,505,834.50
  6. Step 6: Final answer
    x = 589,018,957.10

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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.