Home / 1,411,589,148.12-1,947,982,273.92-776,495,999.39

Finding the Fourth Proportional to 1,411,589,148.12, 1,947,982,273.92 and 776,495,999.39

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Solution

The fourth proportional to 1,411,589,148.12, 1,947,982,273.92 and 776,495,999.39 is: 1,071,558,565.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,589,148.12 : 1,947,982,273.92 = 776,495,999.39 : x
  2. Step 2: Convert to fraction form
    1,411,589,148.12/1,947,982,273.92 = 776,495,999.39/x
  3. Step 3: Cross multiply
    1,411,589,148.12x = 1,947,982,273.92 × 776,495,999.39
  4. Step 4: Simplify right side
    1,411,589,148.12x = 1,512,600,442,571,775,232
  5. Step 5: Solve for x
    x = 1,512,600,442,571,775,232/1,411,589,148.12
  6. Step 6: Final answer
    x = 1,071,558,565.46

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.