Home / 438,439,909.57-657,580,394.23-176,113,890.54

Finding the Fourth Proportional to 438,439,909.57, 657,580,394.23 and 176,113,890.54

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Solution

The fourth proportional to 438,439,909.57, 657,580,394.23 and 176,113,890.54 is: 264,138,914.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,439,909.57 : 657,580,394.23 = 176,113,890.54 : x
  2. Step 2: Convert to fraction form
    438,439,909.57/657,580,394.23 = 176,113,890.54/x
  3. Step 3: Cross multiply
    438,439,909.57x = 657,580,394.23 × 176,113,890.54
  4. Step 4: Simplify right side
    438,439,909.57x = 115,809,041,570,672,272
  5. Step 5: Solve for x
    x = 115,809,041,570,672,272/438,439,909.57
  6. Step 6: Final answer
    x = 264,138,914.01

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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.