Home / 539,016,757.72-808,525,214.34-130,072,909.84

Finding the Fourth Proportional to 539,016,757.72, 808,525,214.34 and 130,072,909.84

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Solution

The fourth proportional to 539,016,757.72, 808,525,214.34 and 130,072,909.84 is: 195,109,383.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,757.72 : 808,525,214.34 = 130,072,909.84 : x
  2. Step 2: Convert to fraction form
    539,016,757.72/808,525,214.34 = 130,072,909.84/x
  3. Step 3: Cross multiply
    539,016,757.72x = 808,525,214.34 × 130,072,909.84
  4. Step 4: Simplify right side
    539,016,757.72x = 105,167,227,308,213,504
  5. Step 5: Solve for x
    x = 105,167,227,308,213,504/539,016,757.72
  6. Step 6: Final answer
    x = 195,109,383.52

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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.