Home / 1,680,235,333.40-2,516,321,921.70-817,584,555.80

Finding the Fourth Proportional to 1,680,235,333.40, 2,516,321,921.70 and 817,584,555.80

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Solution

The fourth proportional to 1,680,235,333.40, 2,516,321,921.70 and 817,584,555.80 is: 1,224,415,354.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,680,235,333.40 : 2,516,321,921.70 = 817,584,555.80 : x
  2. Step 2: Convert to fraction form
    1,680,235,333.40/2,516,321,921.70 = 817,584,555.80/x
  3. Step 3: Cross multiply
    1,680,235,333.40x = 2,516,321,921.70 × 817,584,555.80
  4. Step 4: Simplify right side
    1,680,235,333.40x = 2,057,305,940,602,896,640
  5. Step 5: Solve for x
    x = 2,057,305,940,602,896,640/1,680,235,333.40
  6. Step 6: Final answer
    x = 1,224,415,354.03

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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.