Home / 936,055,298.18-1,291,796,916.90-518,367,583.48

Finding the Fourth Proportional to 936,055,298.18, 1,291,796,916.90 and 518,367,583.48

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Solution

The fourth proportional to 936,055,298.18, 1,291,796,916.90 and 518,367,583.48 is: 715,369,751.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,055,298.18 : 1,291,796,916.90 = 518,367,583.48 : x
  2. Step 2: Convert to fraction form
    936,055,298.18/1,291,796,916.90 = 518,367,583.48/x
  3. Step 3: Cross multiply
    936,055,298.18x = 1,291,796,916.90 × 518,367,583.48
  4. Step 4: Simplify right side
    936,055,298.18x = 669,625,646,156,895,616
  5. Step 5: Solve for x
    x = 669,625,646,156,895,616/936,055,298.18
  6. Step 6: Final answer
    x = 715,369,751.62

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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.