Home / 1,114,940,509.08-1,668,773,043.62-819,757,362.90

Finding the Fourth Proportional to 1,114,940,509.08, 1,668,773,043.62 and 819,757,362.90

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Solution

The fourth proportional to 1,114,940,509.08, 1,668,773,043.62 and 819,757,362.90 is: 1,226,961,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,940,509.08 : 1,668,773,043.62 = 819,757,362.90 : x
  2. Step 2: Convert to fraction form
    1,114,940,509.08/1,668,773,043.62 = 819,757,362.90/x
  3. Step 3: Cross multiply
    1,114,940,509.08x = 1,668,773,043.62 × 819,757,362.90
  4. Step 4: Simplify right side
    1,114,940,509.08x = 1,367,988,989,516,537,856
  5. Step 5: Solve for x
    x = 1,367,988,989,516,537,856/1,114,940,509.08
  6. Step 6: Final answer
    x = 1,226,961,419.35

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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.