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Finding the Fourth Proportional to 487,485,976.08, 672,731,950.92 and 264,467,657.71

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Solution

The fourth proportional to 487,485,976.08, 672,731,950.92 and 264,467,657.71 is: 364,966,075.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,485,976.08 : 672,731,950.92 = 264,467,657.71 : x
  2. Step 2: Convert to fraction form
    487,485,976.08/672,731,950.92 = 264,467,657.71/x
  3. Step 3: Cross multiply
    487,485,976.08x = 672,731,950.92 × 264,467,657.71
  4. Step 4: Simplify right side
    487,485,976.08x = 177,915,843,321,805,088
  5. Step 5: Solve for x
    x = 177,915,843,321,805,088/487,485,976.08
  6. Step 6: Final answer
    x = 364,966,075.03

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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.