Home / 1,391,443,607,717.80-2,087,467,349,859.50-423,326,888,172.36

Finding the Fourth Proportional to 1,391,443,607,717.80, 2,087,467,349,859.50 and 423,326,888,172.36

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Solution

The fourth proportional to 1,391,443,607,717.80, 2,087,467,349,859.50 and 423,326,888,172.36 is: 635,082,192,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,443,607,717.80 : 2,087,467,349,859.50 = 423,326,888,172.36 : x
  2. Step 2: Convert to fraction form
    1,391,443,607,717.80/2,087,467,349,859.50 = 423,326,888,172.36/x
  3. Step 3: Cross multiply
    1,391,443,607,717.80x = 2,087,467,349,859.50 × 423,326,888,172.36
  4. Step 4: Simplify right side
    1,391,443,607,717.80x = 883,681,057,377,425,165,385,728
  5. Step 5: Solve for x
    x = 883,681,057,377,425,165,385,728/1,391,443,607,717.80
  6. Step 6: Final answer
    x = 635,082,192,678.16

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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.