Home / 1,072,247,729.76-1,607,450,436.39-372,648,971.35

Finding the Fourth Proportional to 1,072,247,729.76, 1,607,450,436.39 and 372,648,971.35

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Solution

The fourth proportional to 1,072,247,729.76, 1,607,450,436.39 and 372,648,971.35 is: 558,653,317.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,072,247,729.76 : 1,607,450,436.39 = 372,648,971.35 : x
  2. Step 2: Convert to fraction form
    1,072,247,729.76/1,607,450,436.39 = 372,648,971.35/x
  3. Step 3: Cross multiply
    1,072,247,729.76x = 1,607,450,436.39 × 372,648,971.35
  4. Step 4: Simplify right side
    1,072,247,729.76x = 599,014,751,616,842,240
  5. Step 5: Solve for x
    x = 599,014,751,616,842,240/1,072,247,729.76
  6. Step 6: Final answer
    x = 558,653,317.69

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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.