Home / 380,885,558.59-525,627,830.10-213,658,889.14

Finding the Fourth Proportional to 380,885,558.59, 525,627,830.10 and 213,658,889.14

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Solution

The fourth proportional to 380,885,558.59, 525,627,830.10 and 213,658,889.14 is: 294,852,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    380,885,558.59 : 525,627,830.10 = 213,658,889.14 : x
  2. Step 2: Convert to fraction form
    380,885,558.59/525,627,830.10 = 213,658,889.14/x
  3. Step 3: Cross multiply
    380,885,558.59x = 525,627,830.10 × 213,658,889.14
  4. Step 4: Simplify right side
    380,885,558.59x = 112,305,058,280,234,656
  5. Step 5: Solve for x
    x = 112,305,058,280,234,656/380,885,558.59
  6. Step 6: Final answer
    x = 294,852,497.68

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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.