Home / 354,209,022.88-488,820,606.48-205,518,916

Finding the Fourth Proportional to 354,209,022.88, 488,820,606.48 and 205,518,916

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Solution

The fourth proportional to 354,209,022.88, 488,820,606.48 and 205,518,916 is: 283,623,156.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,209,022.88 : 488,820,606.48 = 205,518,916 : x
  2. Step 2: Convert to fraction form
    354,209,022.88/488,820,606.48 = 205,518,916/x
  3. Step 3: Cross multiply
    354,209,022.88x = 488,820,606.48 × 205,518,916
  4. Step 4: Simplify right side
    354,209,022.88x = 100,461,881,162,232,176
  5. Step 5: Solve for x
    x = 100,461,881,162,232,176/354,209,022.88
  6. Step 6: Final answer
    x = 283,623,156.59

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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.