Home / 766,354,625.28-1,150,258,688.64-474,338,430.72

Finding the Fourth Proportional to 766,354,625.28, 1,150,258,688.64 and 474,338,430.72

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Solution

The fourth proportional to 766,354,625.28, 1,150,258,688.64 and 474,338,430.72 is: 711,957,471.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,354,625.28 : 1,150,258,688.64 = 474,338,430.72 : x
  2. Step 2: Convert to fraction form
    766,354,625.28/1,150,258,688.64 = 474,338,430.72/x
  3. Step 3: Cross multiply
    766,354,625.28x = 1,150,258,688.64 × 474,338,430.72
  4. Step 4: Simplify right side
    766,354,625.28x = 545,611,901,291,542,784
  5. Step 5: Solve for x
    x = 545,611,901,291,542,784/766,354,625.28
  6. Step 6: Final answer
    x = 711,957,471.51

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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.