Home / 684,727,477.77-1,026,452,239.83-270,207,731.66

Finding the Fourth Proportional to 684,727,477.77, 1,026,452,239.83 and 270,207,731.66

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Solution

The fourth proportional to 684,727,477.77, 1,026,452,239.83 and 270,207,731.66 is: 405,059,443.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,727,477.77 : 1,026,452,239.83 = 270,207,731.66 : x
  2. Step 2: Convert to fraction form
    684,727,477.77/1,026,452,239.83 = 270,207,731.66/x
  3. Step 3: Cross multiply
    684,727,477.77x = 1,026,452,239.83 × 270,207,731.66
  4. Step 4: Simplify right side
    684,727,477.77x = 277,355,331,376,658,336
  5. Step 5: Solve for x
    x = 277,355,331,376,658,336/684,727,477.77
  6. Step 6: Final answer
    x = 405,059,443.91

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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.