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Finding the Fourth Proportional to 586,429,816.40, 879,644,724.60 and 241,268,728.40

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Solution

The fourth proportional to 586,429,816.40, 879,644,724.60 and 241,268,728.40 is: 361,903,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,429,816.40 : 879,644,724.60 = 241,268,728.40 : x
  2. Step 2: Convert to fraction form
    586,429,816.40/879,644,724.60 = 241,268,728.40/x
  3. Step 3: Cross multiply
    586,429,816.40x = 879,644,724.60 × 241,268,728.40
  4. Step 4: Simplify right side
    586,429,816.40x = 212,230,764,148,010,208
  5. Step 5: Solve for x
    x = 212,230,764,148,010,208/586,429,816.40
  6. Step 6: Final answer
    x = 361,903,092.60

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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.