Home / 1,444,874,109.72-1,994,091,677.55-809,966,082.30

Finding the Fourth Proportional to 1,444,874,109.72, 1,994,091,677.55 and 809,966,082.30

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Solution

The fourth proportional to 1,444,874,109.72, 1,994,091,677.55 and 809,966,082.30 is: 1,117,845,916.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,874,109.72 : 1,994,091,677.55 = 809,966,082.30 : x
  2. Step 2: Convert to fraction form
    1,444,874,109.72/1,994,091,677.55 = 809,966,082.30/x
  3. Step 3: Cross multiply
    1,444,874,109.72x = 1,994,091,677.55 × 809,966,082.30
  4. Step 4: Simplify right side
    1,444,874,109.72x = 1,615,146,623,812,208,128
  5. Step 5: Solve for x
    x = 1,615,146,623,812,208,128/1,444,874,109.72
  6. Step 6: Final answer
    x = 1,117,845,916.78

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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.