Home / 343,164,720.53-473,619,080.07-209,280,310.04

Finding the Fourth Proportional to 343,164,720.53, 473,619,080.07 and 209,280,310.04

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Solution

The fourth proportional to 343,164,720.53, 473,619,080.07 and 209,280,310.04 is: 288,838,397.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,164,720.53 : 473,619,080.07 = 209,280,310.04 : x
  2. Step 2: Convert to fraction form
    343,164,720.53/473,619,080.07 = 209,280,310.04/x
  3. Step 3: Cross multiply
    343,164,720.53x = 473,619,080.07 × 209,280,310.04
  4. Step 4: Simplify right side
    343,164,720.53x = 99,119,147,915,541,088
  5. Step 5: Solve for x
    x = 99,119,147,915,541,088/343,164,720.53
  6. Step 6: Final answer
    x = 288,838,397.39

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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.