Home / 1,686,848,743.20-2,531,905,302-814,064,516.64

Finding the Fourth Proportional to 1,686,848,743.20, 2,531,905,302 and 814,064,516.64

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Solution

The fourth proportional to 1,686,848,743.20, 2,531,905,302 and 814,064,516.64 is: 1,221,884,460.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,848,743.20 : 2,531,905,302 = 814,064,516.64 : x
  2. Step 2: Convert to fraction form
    1,686,848,743.20/2,531,905,302 = 814,064,516.64/x
  3. Step 3: Cross multiply
    1,686,848,743.20x = 2,531,905,302 × 814,064,516.64
  4. Step 4: Simplify right side
    1,686,848,743.20x = 2,061,134,265,850,883,072
  5. Step 5: Solve for x
    x = 2,061,134,265,850,883,072/1,686,848,743.20
  6. Step 6: Final answer
    x = 1,221,884,460.10

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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.