Home / 467,356,841.92-644,912,264.91-258,460,987.96

Finding the Fourth Proportional to 467,356,841.92, 644,912,264.91 and 258,460,987.96

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Solution

The fourth proportional to 467,356,841.92, 644,912,264.91 and 258,460,987.96 is: 356,653,944.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,356,841.92 : 644,912,264.91 = 258,460,987.96 : x
  2. Step 2: Convert to fraction form
    467,356,841.92/644,912,264.91 = 258,460,987.96/x
  3. Step 3: Cross multiply
    467,356,841.92x = 644,912,264.91 × 258,460,987.96
  4. Step 4: Simplify right side
    467,356,841.92x = 166,684,661,136,159,840
  5. Step 5: Solve for x
    x = 166,684,661,136,159,840/467,356,841.92
  6. Step 6: Final answer
    x = 356,653,944.45

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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.