Home / 293,760,400.80-440,640,601.20-176,859,127.20

Finding the Fourth Proportional to 293,760,400.80, 440,640,601.20 and 176,859,127.20

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Solution

The fourth proportional to 293,760,400.80, 440,640,601.20 and 176,859,127.20 is: 265,288,690.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,760,400.80 : 440,640,601.20 = 176,859,127.20 : x
  2. Step 2: Convert to fraction form
    293,760,400.80/440,640,601.20 = 176,859,127.20/x
  3. Step 3: Cross multiply
    293,760,400.80x = 440,640,601.20 × 176,859,127.20
  4. Step 4: Simplify right side
    293,760,400.80x = 77,931,312,137,115,264
  5. Step 5: Solve for x
    x = 77,931,312,137,115,264/293,760,400.80
  6. Step 6: Final answer
    x = 265,288,690.80

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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.