Home / 1,293,413,389.20-1,940,120,083.80-373,319,744.40

Finding the Fourth Proportional to 1,293,413,389.20, 1,940,120,083.80 and 373,319,744.40

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Solution

The fourth proportional to 1,293,413,389.20, 1,940,120,083.80 and 373,319,744.40 is: 559,979,616.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,293,413,389.20 : 1,940,120,083.80 = 373,319,744.40 : x
  2. Step 2: Convert to fraction form
    1,293,413,389.20/1,940,120,083.80 = 373,319,744.40/x
  3. Step 3: Cross multiply
    1,293,413,389.20x = 1,940,120,083.80 × 373,319,744.40
  4. Step 4: Simplify right side
    1,293,413,389.20x = 724,285,133,789,522,560
  5. Step 5: Solve for x
    x = 724,285,133,789,522,560/1,293,413,389.20
  6. Step 6: Final answer
    x = 559,979,616.60

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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.