Home / 1,365,433,945.60-1,884,298,847.32-738,902,373.56

Finding the Fourth Proportional to 1,365,433,945.60, 1,884,298,847.32 and 738,902,373.56

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Solution

The fourth proportional to 1,365,433,945.60, 1,884,298,847.32 and 738,902,373.56 is: 1,019,685,276.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,433,945.60 : 1,884,298,847.32 = 738,902,373.56 : x
  2. Step 2: Convert to fraction form
    1,365,433,945.60/1,884,298,847.32 = 738,902,373.56/x
  3. Step 3: Cross multiply
    1,365,433,945.60x = 1,884,298,847.32 × 738,902,373.56
  4. Step 4: Simplify right side
    1,365,433,945.60x = 1,392,312,890,781,120,000
  5. Step 5: Solve for x
    x = 1,392,312,890,781,120,000/1,365,433,945.60
  6. Step 6: Final answer
    x = 1,019,685,276.81

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1.5x scale

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.