Home / 616,934,151.81-851,369,129.46-352,621,819.94

Finding the Fourth Proportional to 616,934,151.81, 851,369,129.46 and 352,621,819.94

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Solution

The fourth proportional to 616,934,151.81, 851,369,129.46 and 352,621,819.94 is: 486,618,111.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,934,151.81 : 851,369,129.46 = 352,621,819.94 : x
  2. Step 2: Convert to fraction form
    616,934,151.81/851,369,129.46 = 352,621,819.94/x
  3. Step 3: Cross multiply
    616,934,151.81x = 851,369,129.46 × 352,621,819.94
  4. Step 4: Simplify right side
    616,934,151.81x = 300,211,331,866,661,824
  5. Step 5: Solve for x
    x = 300,211,331,866,661,824/616,934,151.81
  6. Step 6: Final answer
    x = 486,618,111.49

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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.