Home / 684,727,477.38-1,026,452,239.26-270,207,731.28

Finding the Fourth Proportional to 684,727,477.38, 1,026,452,239.26 and 270,207,731.28

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Solution

The fourth proportional to 684,727,477.38, 1,026,452,239.26 and 270,207,731.28 is: 405,059,443.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,727,477.38 : 1,026,452,239.26 = 270,207,731.28 : x
  2. Step 2: Convert to fraction form
    684,727,477.38/1,026,452,239.26 = 270,207,731.28/x
  3. Step 3: Cross multiply
    684,727,477.38x = 1,026,452,239.26 × 270,207,731.28
  4. Step 4: Simplify right side
    684,727,477.38x = 277,355,330,837,720,320
  5. Step 5: Solve for x
    x = 277,355,330,837,720,320/684,727,477.38
  6. Step 6: Final answer
    x = 405,059,443.36

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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.