Home / 514,005,897.44-708,643,044.24-408,511,578.44

Finding the Fourth Proportional to 514,005,897.44, 708,643,044.24 and 408,511,578.44

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Solution

The fourth proportional to 514,005,897.44, 708,643,044.24 and 408,511,578.44 is: 563,201,492.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,005,897.44 : 708,643,044.24 = 408,511,578.44 : x
  2. Step 2: Convert to fraction form
    514,005,897.44/708,643,044.24 = 408,511,578.44/x
  3. Step 3: Cross multiply
    514,005,897.44x = 708,643,044.24 × 408,511,578.44
  4. Step 4: Simplify right side
    514,005,897.44x = 289,488,888,553,009,152
  5. Step 5: Solve for x
    x = 289,488,888,553,009,152/514,005,897.44
  6. Step 6: Final answer
    x = 563,201,492.42

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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.