Home / 539,016,721.76-808,525,160.32-130,072,873.92

Finding the Fourth Proportional to 539,016,721.76, 808,525,160.32 and 130,072,873.92

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Solution

The fourth proportional to 539,016,721.76, 808,525,160.32 and 130,072,873.92 is: 195,109,329.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,016,721.76 : 808,525,160.32 = 130,072,873.92 : x
  2. Step 2: Convert to fraction form
    539,016,721.76/808,525,160.32 = 130,072,873.92/x
  3. Step 3: Cross multiply
    539,016,721.76x = 808,525,160.32 × 130,072,873.92
  4. Step 4: Simplify right side
    539,016,721.76x = 105,167,191,239,451,152
  5. Step 5: Solve for x
    x = 105,167,191,239,451,152/539,016,721.76
  6. Step 6: Final answer
    x = 195,109,329.63

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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.