Home / 854,292,267,198.40-1,178,924,496,182.80-463,658,836,974.40

Finding the Fourth Proportional to 854,292,267,198.40, 1,178,924,496,182.80 and 463,658,836,974.40

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Solution

The fourth proportional to 854,292,267,198.40, 1,178,924,496,182.80 and 463,658,836,974.40 is: 639,849,828,646.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,292,267,198.40 : 1,178,924,496,182.80 = 463,658,836,974.40 : x
  2. Step 2: Convert to fraction form
    854,292,267,198.40/1,178,924,496,182.80 = 463,658,836,974.40/x
  3. Step 3: Cross multiply
    854,292,267,198.40x = 1,178,924,496,182.80 × 463,658,836,974.40
  4. Step 4: Simplify right side
    854,292,267,198.40x = 546,618,760,780,747,578,015,744
  5. Step 5: Solve for x
    x = 546,618,760,780,747,578,015,744/854,292,267,198.40
  6. Step 6: Final answer
    x = 639,849,828,646.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.