Home / 353,747,581.02-488,207,987.37-212,664,476.18

Finding the Fourth Proportional to 353,747,581.02, 488,207,987.37 and 212,664,476.18

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Solution

The fourth proportional to 353,747,581.02, 488,207,987.37 and 212,664,476.18 is: 293,498,815.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,747,581.02 : 488,207,987.37 = 212,664,476.18 : x
  2. Step 2: Convert to fraction form
    353,747,581.02/488,207,987.37 = 212,664,476.18/x
  3. Step 3: Cross multiply
    353,747,581.02x = 488,207,987.37 × 212,664,476.18
  4. Step 4: Simplify right side
    353,747,581.02x = 103,824,495,902,153,632
  5. Step 5: Solve for x
    x = 103,824,495,902,153,632/353,747,581.02
  6. Step 6: Final answer
    x = 293,498,815.18

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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.