Home / 766,450,430.64-1,149,771,258-300,051,608.94

Finding the Fourth Proportional to 766,450,430.64, 1,149,771,258 and 300,051,608.94

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Solution

The fourth proportional to 766,450,430.64, 1,149,771,258 and 300,051,608.94 is: 450,114,843.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,450,430.64 : 1,149,771,258 = 300,051,608.94 : x
  2. Step 2: Convert to fraction form
    766,450,430.64/1,149,771,258 = 300,051,608.94/x
  3. Step 3: Cross multiply
    766,450,430.64x = 1,149,771,258 × 300,051,608.94
  4. Step 4: Simplify right side
    766,450,430.64x = 344,990,715,875,867,840
  5. Step 5: Solve for x
    x = 344,990,715,875,867,840/766,450,430.64
  6. Step 6: Final answer
    x = 450,114,843.81

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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.