Home / 1,785,780,786.68-2,464,515,340.46-1,071,343,097.49

Finding the Fourth Proportional to 1,785,780,786.68, 2,464,515,340.46 and 1,071,343,097.49

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Solution

The fourth proportional to 1,785,780,786.68, 2,464,515,340.46 and 1,071,343,097.49 is: 1,478,536,177.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,785,780,786.68 : 2,464,515,340.46 = 1,071,343,097.49 : x
  2. Step 2: Convert to fraction form
    1,785,780,786.68/2,464,515,340.46 = 1,071,343,097.49/x
  3. Step 3: Cross multiply
    1,785,780,786.68x = 2,464,515,340.46 × 1,071,343,097.49
  4. Step 4: Simplify right side
    1,785,780,786.68x = 2,640,341,498,674,117,120
  5. Step 5: Solve for x
    x = 2,640,341,498,674,117,120/1,785,780,786.68
  6. Step 6: Final answer
    x = 1,478,536,177.77

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Double scale
Find fourth proportional to 1,785,780,787.68, 2,464,515,341.84 and 1,071,343,098.49
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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.