Home / 709,171,874.07-1,064,172,336.39-512,241,097.11

Finding the Fourth Proportional to 709,171,874.07, 1,064,172,336.39 and 512,241,097.11

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Solution

The fourth proportional to 709,171,874.07, 1,064,172,336.39 and 512,241,097.11 is: 768,661,060.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,171,874.07 : 1,064,172,336.39 = 512,241,097.11 : x
  2. Step 2: Convert to fraction form
    709,171,874.07/1,064,172,336.39 = 512,241,097.11/x
  3. Step 3: Cross multiply
    709,171,874.07x = 1,064,172,336.39 × 512,241,097.11
  4. Step 4: Simplify right side
    709,171,874.07x = 545,112,805,106,525,568
  5. Step 5: Solve for x
    x = 545,112,805,106,525,568/709,171,874.07
  6. Step 6: Final answer
    x = 768,661,060.93

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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.