Home / 1,021,917,989,208.80-1,409,940,662,787.50-588,359,230,967.16

Finding the Fourth Proportional to 1,021,917,989,208.80, 1,409,940,662,787.50 and 588,359,230,967.16

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Solution

The fourth proportional to 1,021,917,989,208.80, 1,409,940,662,787.50 and 588,359,230,967.16 is: 811,759,468,789.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,917,989,208.80 : 1,409,940,662,787.50 = 588,359,230,967.16 : x
  2. Step 2: Convert to fraction form
    1,021,917,989,208.80/1,409,940,662,787.50 = 588,359,230,967.16/x
  3. Step 3: Cross multiply
    1,021,917,989,208.80x = 1,409,940,662,787.50 × 588,359,230,967.16
  4. Step 4: Simplify right side
    1,021,917,989,208.80x = 829,551,604,066,981,479,710,720
  5. Step 5: Solve for x
    x = 829,551,604,066,981,479,710,720/1,021,917,989,208.80
  6. Step 6: Final answer
    x = 811,759,468,789.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.