Home / 456,725,270.98-630,286,920.57-247,883,917.06

Finding the Fourth Proportional to 456,725,270.98, 630,286,920.57 and 247,883,917.06

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Solution

The fourth proportional to 456,725,270.98, 630,286,920.57 and 247,883,917.06 is: 342,083,087.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,725,270.98 : 630,286,920.57 = 247,883,917.06 : x
  2. Step 2: Convert to fraction form
    456,725,270.98/630,286,920.57 = 247,883,917.06/x
  3. Step 3: Cross multiply
    456,725,270.98x = 630,286,920.57 × 247,883,917.06
  4. Step 4: Simplify right side
    456,725,270.98x = 156,237,990,742,576,704
  5. Step 5: Solve for x
    x = 156,237,990,742,576,704/456,725,270.98
  6. Step 6: Final answer
    x = 342,083,087.30

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.