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Finding the Fourth Proportional to 539,152,657.60, 808,728,986.40 and 294,264,644.80

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Solution

The fourth proportional to 539,152,657.60, 808,728,986.40 and 294,264,644.80 is: 441,396,967.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,152,657.60 : 808,728,986.40 = 294,264,644.80 : x
  2. Step 2: Convert to fraction form
    539,152,657.60/808,728,986.40 = 294,264,644.80/x
  3. Step 3: Cross multiply
    539,152,657.60x = 808,728,986.40 × 294,264,644.80
  4. Step 4: Simplify right side
    539,152,657.60x = 237,980,347,922,460,032
  5. Step 5: Solve for x
    x = 237,980,347,922,460,032/539,152,657.60
  6. Step 6: Final answer
    x = 441,396,967.20

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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.