Home / 358,731,494,648.47-538,097,759,858.50-146,495,627,146.80

Finding the Fourth Proportional to 358,731,494,648.47, 538,097,759,858.50 and 146,495,627,146.80

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Solution

The fourth proportional to 358,731,494,648.47, 538,097,759,858.50 and 146,495,627,146.80 is: 219,743,652,209.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,731,494,648.47 : 538,097,759,858.50 = 146,495,627,146.80 : x
  2. Step 2: Convert to fraction form
    358,731,494,648.47/538,097,759,858.50 = 146,495,627,146.80/x
  3. Step 3: Cross multiply
    358,731,494,648.47x = 538,097,759,858.50 × 146,495,627,146.80
  4. Step 4: Simplify right side
    358,731,494,648.47x = 78,828,968,796,759,135,354,880
  5. Step 5: Solve for x
    x = 78,828,968,796,759,135,354,880/358,731,494,648.47
  6. Step 6: Final answer
    x = 219,743,652,209.87

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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.