Home / 929,100,577.05-1,393,650,865.58-515,852,055.45

Finding the Fourth Proportional to 929,100,577.05, 1,393,650,865.58 and 515,852,055.45

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Solution

The fourth proportional to 929,100,577.05, 1,393,650,865.58 and 515,852,055.45 is: 773,778,083.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,100,577.05 : 1,393,650,865.58 = 515,852,055.45 : x
  2. Step 2: Convert to fraction form
    929,100,577.05/1,393,650,865.58 = 515,852,055.45/x
  3. Step 3: Cross multiply
    929,100,577.05x = 1,393,650,865.58 × 515,852,055.45
  4. Step 4: Simplify right side
    929,100,577.05x = 718,917,663,586,535,424
  5. Step 5: Solve for x
    x = 718,917,663,586,535,424/929,100,577.05
  6. Step 6: Final answer
    x = 773,778,083.18

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Double scale
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Similar ratio
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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.