Home / 358,709,108.80-538,063,663.20-271,977,937.60

Finding the Fourth Proportional to 358,709,108.80, 538,063,663.20 and 271,977,937.60

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Solution

The fourth proportional to 358,709,108.80, 538,063,663.20 and 271,977,937.60 is: 407,966,906.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,709,108.80 : 538,063,663.20 = 271,977,937.60 : x
  2. Step 2: Convert to fraction form
    358,709,108.80/538,063,663.20 = 271,977,937.60/x
  3. Step 3: Cross multiply
    358,709,108.80x = 538,063,663.20 × 271,977,937.60
  4. Step 4: Simplify right side
    358,709,108.80x = 146,341,445,414,637,056
  5. Step 5: Solve for x
    x = 146,341,445,414,637,056/358,709,108.80
  6. Step 6: Final answer
    x = 407,966,906.40

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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.