Home / 589,113,493.62-812,939,160.48-324,781,038.78

Finding the Fourth Proportional to 589,113,493.62, 812,939,160.48 and 324,781,038.78

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Solution

The fourth proportional to 589,113,493.62, 812,939,160.48 and 324,781,038.78 is: 448,177,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,113,493.62 : 812,939,160.48 = 324,781,038.78 : x
  2. Step 2: Convert to fraction form
    589,113,493.62/812,939,160.48 = 324,781,038.78/x
  3. Step 3: Cross multiply
    589,113,493.62x = 812,939,160.48 × 324,781,038.78
  4. Step 4: Simplify right side
    589,113,493.62x = 264,027,225,005,635,520
  5. Step 5: Solve for x
    x = 264,027,225,005,635,520/589,113,493.62
  6. Step 6: Final answer
    x = 448,177,181.25

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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.