Home / 1,053,590,935.76-1,579,869,259.04-521,187,223.12

Finding the Fourth Proportional to 1,053,590,935.76, 1,579,869,259.04 and 521,187,223.12

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Solution

The fourth proportional to 1,053,590,935.76, 1,579,869,259.04 and 521,187,223.12 is: 781,525,015.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,053,590,935.76 : 1,579,869,259.04 = 521,187,223.12 : x
  2. Step 2: Convert to fraction form
    1,053,590,935.76/1,579,869,259.04 = 521,187,223.12/x
  3. Step 3: Cross multiply
    1,053,590,935.76x = 1,579,869,259.04 × 521,187,223.12
  4. Step 4: Simplify right side
    1,053,590,935.76x = 823,407,672,011,709,568
  5. Step 5: Solve for x
    x = 823,407,672,011,709,568/1,053,590,935.76
  6. Step 6: Final answer
    x = 781,525,015.13

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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.