Home / 354,294,943.60-531,442,415.40-331,620,127.60

Finding the Fourth Proportional to 354,294,943.60, 531,442,415.40 and 331,620,127.60

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Solution

The fourth proportional to 354,294,943.60, 531,442,415.40 and 331,620,127.60 is: 497,430,191.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,294,943.60 : 531,442,415.40 = 331,620,127.60 : x
  2. Step 2: Convert to fraction form
    354,294,943.60/531,442,415.40 = 331,620,127.60/x
  3. Step 3: Cross multiply
    354,294,943.60x = 531,442,415.40 × 331,620,127.60
  4. Step 4: Simplify right side
    354,294,943.60x = 176,237,001,607,000,224
  5. Step 5: Solve for x
    x = 176,237,001,607,000,224/354,294,943.60
  6. Step 6: Final answer
    x = 497,430,191.40

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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.