Home / 354,157,836.45-488,738,466.48-197,535,038.68

Finding the Fourth Proportional to 354,157,836.45, 488,738,466.48 and 197,535,038.68

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Solution

The fourth proportional to 354,157,836.45, 488,738,466.48 and 197,535,038.68 is: 272,598,717.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,157,836.45 : 488,738,466.48 = 197,535,038.68 : x
  2. Step 2: Convert to fraction form
    354,157,836.45/488,738,466.48 = 197,535,038.68/x
  3. Step 3: Cross multiply
    354,157,836.45x = 488,738,466.48 × 197,535,038.68
  4. Step 4: Simplify right side
    354,157,836.45x = 96,542,971,880,530,688
  5. Step 5: Solve for x
    x = 96,542,971,880,530,688/354,157,836.45
  6. Step 6: Final answer
    x = 272,598,717.14

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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.