Home / 990,664,781.54-1,367,118,278.08-544,635,733.49

Finding the Fourth Proportional to 990,664,781.54, 1,367,118,278.08 and 544,635,733.49

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Solution

The fourth proportional to 990,664,781.54, 1,367,118,278.08 and 544,635,733.49 is: 751,597,795.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,664,781.54 : 1,367,118,278.08 = 544,635,733.49 : x
  2. Step 2: Convert to fraction form
    990,664,781.54/1,367,118,278.08 = 544,635,733.49/x
  3. Step 3: Cross multiply
    990,664,781.54x = 1,367,118,278.08 × 544,635,733.49
  4. Step 4: Simplify right side
    990,664,781.54x = 744,581,466,146,616,192
  5. Step 5: Solve for x
    x = 744,581,466,146,616,192/990,664,781.54
  6. Step 6: Final answer
    x = 751,597,795.77

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Double scale
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1.5x scale

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.