Home / 372,649,606-514,258,495.32-216,109,525.36

Finding the Fourth Proportional to 372,649,606, 514,258,495.32 and 216,109,525.36

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Solution

The fourth proportional to 372,649,606, 514,258,495.32 and 216,109,525.36 is: 298,232,327.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,649,606 : 514,258,495.32 = 216,109,525.36 : x
  2. Step 2: Convert to fraction form
    372,649,606/514,258,495.32 = 216,109,525.36/x
  3. Step 3: Cross multiply
    372,649,606x = 514,258,495.32 × 216,109,525.36
  4. Step 4: Simplify right side
    372,649,606x = 111,136,159,335,952,992
  5. Step 5: Solve for x
    x = 111,136,159,335,952,992/372,649,606
  6. Step 6: Final answer
    x = 298,232,327.49

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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.