Home / 827,904,088.80-1,241,681,950.80-418,575,448.80

Finding the Fourth Proportional to 827,904,088.80, 1,241,681,950.80 and 418,575,448.80

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Solution

The fourth proportional to 827,904,088.80, 1,241,681,950.80 and 418,575,448.80 is: 627,775,109.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,904,088.80 : 1,241,681,950.80 = 418,575,448.80 : x
  2. Step 2: Convert to fraction form
    827,904,088.80/1,241,681,950.80 = 418,575,448.80/x
  3. Step 3: Cross multiply
    827,904,088.80x = 1,241,681,950.80 × 418,575,448.80
  4. Step 4: Simplify right side
    827,904,088.80x = 519,737,579,822,969,536
  5. Step 5: Solve for x
    x = 519,737,579,822,969,536/827,904,088.80
  6. Step 6: Final answer
    x = 627,775,109.28

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1.5x scale

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.