Home / 859,627,788.70-1,289,441,683.05-368,257,440.10

Finding the Fourth Proportional to 859,627,788.70, 1,289,441,683.05 and 368,257,440.10

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Solution

The fourth proportional to 859,627,788.70, 1,289,441,683.05 and 368,257,440.10 is: 552,386,160.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,627,788.70 : 1,289,441,683.05 = 368,257,440.10 : x
  2. Step 2: Convert to fraction form
    859,627,788.70/1,289,441,683.05 = 368,257,440.10/x
  3. Step 3: Cross multiply
    859,627,788.70x = 1,289,441,683.05 × 368,257,440.10
  4. Step 4: Simplify right side
    859,627,788.70x = 474,846,493,358,228,544
  5. Step 5: Solve for x
    x = 474,846,493,358,228,544/859,627,788.70
  6. Step 6: Final answer
    x = 552,386,160.15

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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.