Home / 763,410,273.60-1,145,115,410.40-354,330,465.60

Finding the Fourth Proportional to 763,410,273.60, 1,145,115,410.40 and 354,330,465.60

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Solution

The fourth proportional to 763,410,273.60, 1,145,115,410.40 and 354,330,465.60 is: 531,495,698.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,410,273.60 : 1,145,115,410.40 = 354,330,465.60 : x
  2. Step 2: Convert to fraction form
    763,410,273.60/1,145,115,410.40 = 354,330,465.60/x
  3. Step 3: Cross multiply
    763,410,273.60x = 1,145,115,410.40 × 354,330,465.60
  4. Step 4: Simplify right side
    763,410,273.60x = 405,749,276,532,767,168
  5. Step 5: Solve for x
    x = 405,749,276,532,767,168/763,410,273.60
  6. Step 6: Final answer
    x = 531,495,698.40

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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.