Home / 1,393,848,042.70-2,090,772,064.05-976,631,428.30

Finding the Fourth Proportional to 1,393,848,042.70, 2,090,772,064.05 and 976,631,428.30

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Solution

The fourth proportional to 1,393,848,042.70, 2,090,772,064.05 and 976,631,428.30 is: 1,464,947,142.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,848,042.70 : 2,090,772,064.05 = 976,631,428.30 : x
  2. Step 2: Convert to fraction form
    1,393,848,042.70/2,090,772,064.05 = 976,631,428.30/x
  3. Step 3: Cross multiply
    1,393,848,042.70x = 2,090,772,064.05 × 976,631,428.30
  4. Step 4: Simplify right side
    1,393,848,042.70x = 2,041,913,707,162,890,496
  5. Step 5: Solve for x
    x = 2,041,913,707,162,890,496/1,393,848,042.70
  6. Step 6: Final answer
    x = 1,464,947,142.45

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Double scale
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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.