Home / 442,904,706.60-664,357,059.90-417,395,538.60

Finding the Fourth Proportional to 442,904,706.60, 664,357,059.90 and 417,395,538.60

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Solution

The fourth proportional to 442,904,706.60, 664,357,059.90 and 417,395,538.60 is: 626,093,307.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    442,904,706.60 : 664,357,059.90 = 417,395,538.60 : x
  2. Step 2: Convert to fraction form
    442,904,706.60/664,357,059.90 = 417,395,538.60/x
  3. Step 3: Cross multiply
    442,904,706.60x = 664,357,059.90 × 417,395,538.60
  4. Step 4: Simplify right side
    442,904,706.60x = 277,299,672,839,672,960
  5. Step 5: Solve for x
    x = 277,299,672,839,672,960/442,904,706.60
  6. Step 6: Final answer
    x = 626,093,307.90

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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.