Home / 1,092,458,203.10-1,637,982,748.49-428,539,306.32

Finding the Fourth Proportional to 1,092,458,203.10, 1,637,982,748.49 and 428,539,306.32

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Solution

The fourth proportional to 1,092,458,203.10, 1,637,982,748.49 and 428,539,306.32 is: 642,532,582.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,458,203.10 : 1,637,982,748.49 = 428,539,306.32 : x
  2. Step 2: Convert to fraction form
    1,092,458,203.10/1,637,982,748.49 = 428,539,306.32/x
  3. Step 3: Cross multiply
    1,092,458,203.10x = 1,637,982,748.49 × 428,539,306.32
  4. Step 4: Simplify right side
    1,092,458,203.10x = 701,939,990,807,616,896
  5. Step 5: Solve for x
    x = 701,939,990,807,616,896/1,092,458,203.10
  6. Step 6: Final answer
    x = 642,532,582.77

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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.