Home / 514,005,889.44-708,643,033.20-408,511,570.44

Finding the Fourth Proportional to 514,005,889.44, 708,643,033.20 and 408,511,570.44

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Solution

The fourth proportional to 514,005,889.44, 708,643,033.20 and 408,511,570.44 is: 563,201,481.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,005,889.44 : 708,643,033.20 = 408,511,570.44 : x
  2. Step 2: Convert to fraction form
    514,005,889.44/708,643,033.20 = 408,511,570.44/x
  3. Step 3: Cross multiply
    514,005,889.44x = 708,643,033.20 × 408,511,570.44
  4. Step 4: Simplify right side
    514,005,889.44x = 289,488,878,373,897,088
  5. Step 5: Solve for x
    x = 289,488,878,373,897,088/514,005,889.44
  6. Step 6: Final answer
    x = 563,201,481.39

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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.