Home / 308,003,619,505.80-461,679,354,639.72-103,602,222,803.64

Finding the Fourth Proportional to 308,003,619,505.80, 461,679,354,639.72 and 103,602,222,803.64

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Solution

The fourth proportional to 308,003,619,505.80, 461,679,354,639.72 and 103,602,222,803.64 is: 155,293,653,496.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    308,003,619,505.80 : 461,679,354,639.72 = 103,602,222,803.64 : x
  2. Step 2: Convert to fraction form
    308,003,619,505.80/461,679,354,639.72 = 103,602,222,803.64/x
  3. Step 3: Cross multiply
    308,003,619,505.80x = 461,679,354,639.72 × 103,602,222,803.64
  4. Step 4: Simplify right side
    308,003,619,505.80x = 47,831,007,363,224,991,432,704
  5. Step 5: Solve for x
    x = 47,831,007,363,224,991,432,704/308,003,619,505.80
  6. Step 6: Final answer
    x = 155,293,653,496.58

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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.