Home / 662,009,742.40-993,462,511.20-298,316,891.20

Finding the Fourth Proportional to 662,009,742.40, 993,462,511.20 and 298,316,891.20

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Solution

The fourth proportional to 662,009,742.40, 993,462,511.20 and 298,316,891.20 is: 447,677,169.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,009,742.40 : 993,462,511.20 = 298,316,891.20 : x
  2. Step 2: Convert to fraction form
    662,009,742.40/993,462,511.20 = 298,316,891.20/x
  3. Step 3: Cross multiply
    662,009,742.40x = 993,462,511.20 × 298,316,891.20
  4. Step 4: Simplify right side
    662,009,742.40x = 296,366,647,864,929,152
  5. Step 5: Solve for x
    x = 296,366,647,864,929,152/662,009,742.40
  6. Step 6: Final answer
    x = 447,677,169.81

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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.