Home / 1,412,893,755.51-1,949,758,972.20-777,809,085.63

Finding the Fourth Proportional to 1,412,893,755.51, 1,949,758,972.20 and 777,809,085.63

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Solution

The fourth proportional to 1,412,893,755.51, 1,949,758,972.20 and 777,809,085.63 is: 1,073,357,594.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,893,755.51 : 1,949,758,972.20 = 777,809,085.63 : x
  2. Step 2: Convert to fraction form
    1,412,893,755.51/1,949,758,972.20 = 777,809,085.63/x
  3. Step 3: Cross multiply
    1,412,893,755.51x = 1,949,758,972.20 × 777,809,085.63
  4. Step 4: Simplify right side
    1,412,893,755.51x = 1,516,540,243,365,770,496
  5. Step 5: Solve for x
    x = 1,516,540,243,365,770,496/1,412,893,755.51
  6. Step 6: Final answer
    x = 1,073,357,594.97

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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.