Home / 1,681,917,739.20-2,522,852,989.20-761,792,601.60

Finding the Fourth Proportional to 1,681,917,739.20, 2,522,852,989.20 and 761,792,601.60

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Solution

The fourth proportional to 1,681,917,739.20, 2,522,852,989.20 and 761,792,601.60 is: 1,142,678,204.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,917,739.20 : 2,522,852,989.20 = 761,792,601.60 : x
  2. Step 2: Convert to fraction form
    1,681,917,739.20/2,522,852,989.20 = 761,792,601.60/x
  3. Step 3: Cross multiply
    1,681,917,739.20x = 2,522,852,989.20 × 761,792,601.60
  4. Step 4: Simplify right side
    1,681,917,739.20x = 1,921,890,742,097,004,544
  5. Step 5: Solve for x
    x = 1,921,890,742,097,004,544/1,681,917,739.20
  6. Step 6: Final answer
    x = 1,142,678,204.35

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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.