Home / 774,505,851.60-1,068,818,097.04-426,825,339.60

Finding the Fourth Proportional to 774,505,851.60, 1,068,818,097.04 and 426,825,339.60

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Solution

The fourth proportional to 774,505,851.60, 1,068,818,097.04 and 426,825,339.60 is: 589,018,980.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,505,851.60 : 1,068,818,097.04 = 426,825,339.60 : x
  2. Step 2: Convert to fraction form
    774,505,851.60/1,068,818,097.04 = 426,825,339.60/x
  3. Step 3: Cross multiply
    774,505,851.60x = 1,068,818,097.04 × 426,825,339.60
  4. Step 4: Simplify right side
    774,505,851.60x = 456,198,647,239,723,776
  5. Step 5: Solve for x
    x = 456,198,647,239,723,776/774,505,851.60
  6. Step 6: Final answer
    x = 589,018,980.68

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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.