Home / 1,411,589,145.87-1,947,982,270.82-776,495,997.14

Finding the Fourth Proportional to 1,411,589,145.87, 1,947,982,270.82 and 776,495,997.14

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Solution

The fourth proportional to 1,411,589,145.87, 1,947,982,270.82 and 776,495,997.14 is: 1,071,558,562.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,411,589,145.87 : 1,947,982,270.82 = 776,495,997.14 : x
  2. Step 2: Convert to fraction form
    1,411,589,145.87/1,947,982,270.82 = 776,495,997.14/x
  3. Step 3: Cross multiply
    1,411,589,145.87x = 1,947,982,270.82 × 776,495,997.14
  4. Step 4: Simplify right side
    1,411,589,145.87x = 1,512,600,435,777,795,072
  5. Step 5: Solve for x
    x = 1,512,600,435,777,795,072/1,411,589,145.87
  6. Step 6: Final answer
    x = 1,071,558,562.35

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Double scale
Find fourth proportional to 1,411,589,146.87, 1,947,982,272.19 and 776,495,998.14
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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.