Home / 1,976,856,211.02-2,965,456,657.22-648,485,970.42

Finding the Fourth Proportional to 1,976,856,211.02, 2,965,456,657.22 and 648,485,970.42

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Solution

The fourth proportional to 1,976,856,211.02, 2,965,456,657.22 and 648,485,970.42 is: 972,785,490.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,976,856,211.02 : 2,965,456,657.22 = 648,485,970.42 : x
  2. Step 2: Convert to fraction form
    1,976,856,211.02/2,965,456,657.22 = 648,485,970.42/x
  3. Step 3: Cross multiply
    1,976,856,211.02x = 2,965,456,657.22 × 648,485,970.42
  4. Step 4: Simplify right side
    1,976,856,211.02x = 1,923,057,038,092,518,656
  5. Step 5: Solve for x
    x = 1,923,057,038,092,518,656/1,976,856,211.02
  6. Step 6: Final answer
    x = 972,785,490.10

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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.