Home / 1,169,451,244,979.60-1,752,938,802,816.10-393,364,691,835.12

Finding the Fourth Proportional to 1,169,451,244,979.60, 1,752,938,802,816.10 and 393,364,691,835.12

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Solution

The fourth proportional to 1,169,451,244,979.60, 1,752,938,802,816.10 and 393,364,691,835.12 is: 589,630,593,781.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,169,451,244,979.60 : 1,752,938,802,816.10 = 393,364,691,835.12 : x
  2. Step 2: Convert to fraction form
    1,169,451,244,979.60/1,752,938,802,816.10 = 393,364,691,835.12/x
  3. Step 3: Cross multiply
    1,169,451,244,979.60x = 1,752,938,802,816.10 × 393,364,691,835.12
  4. Step 4: Simplify right side
    1,169,451,244,979.60x = 689,544,231,975,579,402,895,360
  5. Step 5: Solve for x
    x = 689,544,231,975,579,402,895,360/1,169,451,244,979.60
  6. Step 6: Final answer
    x = 589,630,593,781.28

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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.