Home / 1,577,018,173.53-2,363,669,578.72-643,758,176.37

Finding the Fourth Proportional to 1,577,018,173.53, 2,363,669,578.72 and 643,758,176.37

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Solution

The fourth proportional to 1,577,018,173.53, 2,363,669,578.72 and 643,758,176.37 is: 964,878,936.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,018,173.53 : 2,363,669,578.72 = 643,758,176.37 : x
  2. Step 2: Convert to fraction form
    1,577,018,173.53/2,363,669,578.72 = 643,758,176.37/x
  3. Step 3: Cross multiply
    1,577,018,173.53x = 2,363,669,578.72 × 643,758,176.37
  4. Step 4: Simplify right side
    1,577,018,173.53x = 1,521,631,617,534,814,720
  5. Step 5: Solve for x
    x = 1,521,631,617,534,814,720/1,577,018,173.53
  6. Step 6: Final answer
    x = 964,878,936.13

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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.