Home / 373,210,289.90-515,132,638.95-216,627,842.86

Finding the Fourth Proportional to 373,210,289.90, 515,132,638.95 and 216,627,842.86

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Solution

The fourth proportional to 373,210,289.90, 515,132,638.95 and 216,627,842.86 is: 299,005,883.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,210,289.90 : 515,132,638.95 = 216,627,842.86 : x
  2. Step 2: Convert to fraction form
    373,210,289.90/515,132,638.95 = 216,627,842.86/x
  3. Step 3: Cross multiply
    373,210,289.90x = 515,132,638.95 × 216,627,842.86
  4. Step 4: Simplify right side
    373,210,289.90x = 111,592,072,362,517,728
  5. Step 5: Solve for x
    x = 111,592,072,362,517,728/373,210,289.90
  6. Step 6: Final answer
    x = 299,005,883.23

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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.