Home / 289,241,175,425.64-433,853,742,972.06-77,007,128,755.56

Finding the Fourth Proportional to 289,241,175,425.64, 433,853,742,972.06 and 77,007,128,755.56

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Solution

The fourth proportional to 289,241,175,425.64, 433,853,742,972.06 and 77,007,128,755.56 is: 115,508,557,856.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,241,175,425.64 : 433,853,742,972.06 = 77,007,128,755.56 : x
  2. Step 2: Convert to fraction form
    289,241,175,425.64/433,853,742,972.06 = 77,007,128,755.56/x
  3. Step 3: Cross multiply
    289,241,175,425.64x = 433,853,742,972.06 × 77,007,128,755.56
  4. Step 4: Simplify right side
    289,241,175,425.64x = 33,409,831,046,131,056,902,144
  5. Step 5: Solve for x
    x = 33,409,831,046,131,056,902,144/289,241,175,425.64
  6. Step 6: Final answer
    x = 115,508,557,856.49

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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.