Home / 513,743,323.24-708,966,243.30-278,793,984.36

Finding the Fourth Proportional to 513,743,323.24, 708,966,243.30 and 278,793,984.36

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Solution

The fourth proportional to 513,743,323.24, 708,966,243.30 and 278,793,984.36 is: 384,735,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,743,323.24 : 708,966,243.30 = 278,793,984.36 : x
  2. Step 2: Convert to fraction form
    513,743,323.24/708,966,243.30 = 278,793,984.36/x
  3. Step 3: Cross multiply
    513,743,323.24x = 708,966,243.30 × 278,793,984.36
  4. Step 4: Simplify right side
    513,743,323.24x = 197,655,523,746,348,160
  5. Step 5: Solve for x
    x = 197,655,523,746,348,160/513,743,323.24
  6. Step 6: Final answer
    x = 384,735,946.54

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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.