Home / 386,832,044.68-533,841,323.38-210,626,873.80

Finding the Fourth Proportional to 386,832,044.68, 533,841,323.38 and 210,626,873.80

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Solution

The fourth proportional to 386,832,044.68, 533,841,323.38 and 210,626,873.80 is: 290,672,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,832,044.68 : 533,841,323.38 = 210,626,873.80 : x
  2. Step 2: Convert to fraction form
    386,832,044.68/533,841,323.38 = 210,626,873.80/x
  3. Step 3: Cross multiply
    386,832,044.68x = 533,841,323.38 × 210,626,873.80
  4. Step 4: Simplify right side
    386,832,044.68x = 112,441,329,048,784,256
  5. Step 5: Solve for x
    x = 112,441,329,048,784,256/386,832,044.68
  6. Step 6: Final answer
    x = 290,672,219.62

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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.