Home / 618,407,445.20-927,723,142.20-310,925,742.80

Finding the Fourth Proportional to 618,407,445.20, 927,723,142.20 and 310,925,742.80

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Solution

The fourth proportional to 618,407,445.20, 927,723,142.20 and 310,925,742.80 is: 466,444,913.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,407,445.20 : 927,723,142.20 = 310,925,742.80 : x
  2. Step 2: Convert to fraction form
    618,407,445.20/927,723,142.20 = 310,925,742.80/x
  3. Step 3: Cross multiply
    618,407,445.20x = 927,723,142.20 × 310,925,742.80
  4. Step 4: Simplify right side
    618,407,445.20x = 288,453,007,101,285,056
  5. Step 5: Solve for x
    x = 288,453,007,101,285,056/618,407,445.20
  6. Step 6: Final answer
    x = 466,444,913.20

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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.