Home / 646,803,591.58-970,205,276.67-204,456,792.70

Finding the Fourth Proportional to 646,803,591.58, 970,205,276.67 and 204,456,792.70

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Solution

The fourth proportional to 646,803,591.58, 970,205,276.67 and 204,456,792.70 is: 306,685,154.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,803,591.58 : 970,205,276.67 = 204,456,792.70 : x
  2. Step 2: Convert to fraction form
    646,803,591.58/970,205,276.67 = 204,456,792.70/x
  3. Step 3: Cross multiply
    646,803,591.58x = 970,205,276.67 × 204,456,792.70
  4. Step 4: Simplify right side
    646,803,591.58x = 198,365,059,128,564,320
  5. Step 5: Solve for x
    x = 198,365,059,128,564,320/646,803,591.58
  6. Step 6: Final answer
    x = 306,685,154.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.