Home / 354,310,439.60-531,465,659.40-346,347,815.60

Finding the Fourth Proportional to 354,310,439.60, 531,465,659.40 and 346,347,815.60

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Solution

The fourth proportional to 354,310,439.60, 531,465,659.40 and 346,347,815.60 is: 519,521,723.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,310,439.60 : 531,465,659.40 = 346,347,815.60 : x
  2. Step 2: Convert to fraction form
    354,310,439.60/531,465,659.40 = 346,347,815.60/x
  3. Step 3: Cross multiply
    354,310,439.60x = 531,465,659.40 × 346,347,815.60
  4. Step 4: Simplify right side
    354,310,439.60x = 184,071,970,199,603,616
  5. Step 5: Solve for x
    x = 184,071,970,199,603,616/354,310,439.60
  6. Step 6: Final answer
    x = 519,521,723.40

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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.