Home / 467,012,545.76-644,480,227.76-255,319,832.48

Finding the Fourth Proportional to 467,012,545.76, 644,480,227.76 and 255,319,832.48

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Solution

The fourth proportional to 467,012,545.76, 644,480,227.76 and 255,319,832.48 is: 352,342,962.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,012,545.76 : 644,480,227.76 = 255,319,832.48 : x
  2. Step 2: Convert to fraction form
    467,012,545.76/644,480,227.76 = 255,319,832.48/x
  3. Step 3: Cross multiply
    467,012,545.76x = 644,480,227.76 × 255,319,832.48
  4. Step 4: Simplify right side
    467,012,545.76x = 164,548,583,788,355,424
  5. Step 5: Solve for x
    x = 164,548,583,788,355,424/467,012,545.76
  6. Step 6: Final answer
    x = 352,342,962.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.