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Finding the Fourth Proportional to 632,309,954.52, 872,679,054.91 and 364,334,482.92

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Solution

The fourth proportional to 632,309,954.52, 872,679,054.91 and 364,334,482.92 is: 502,834,203.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,309,954.52 : 872,679,054.91 = 364,334,482.92 : x
  2. Step 2: Convert to fraction form
    632,309,954.52/872,679,054.91 = 364,334,482.92/x
  3. Step 3: Cross multiply
    632,309,954.52x = 872,679,054.91 × 364,334,482.92
  4. Step 4: Simplify right side
    632,309,954.52x = 317,947,072,225,749,120
  5. Step 5: Solve for x
    x = 317,947,072,225,749,120/632,309,954.52
  6. Step 6: Final answer
    x = 502,834,203.31

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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.