Home / 709,171,869.56-1,064,172,329.63-512,241,092.60

Finding the Fourth Proportional to 709,171,869.56, 1,064,172,329.63 and 512,241,092.60

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Solution

The fourth proportional to 709,171,869.56, 1,064,172,329.63 and 512,241,092.60 is: 768,661,054.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,171,869.56 : 1,064,172,329.63 = 512,241,092.60 : x
  2. Step 2: Convert to fraction form
    709,171,869.56/1,064,172,329.63 = 512,241,092.60/x
  3. Step 3: Cross multiply
    709,171,869.56x = 1,064,172,329.63 × 512,241,092.60
  4. Step 4: Simplify right side
    709,171,869.56x = 545,112,796,836,476,544
  5. Step 5: Solve for x
    x = 545,112,796,836,476,544/709,171,869.56
  6. Step 6: Final answer
    x = 768,661,054.17

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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.