Home / 3,127,980,883.20-4,692,601,180.80-917,186,323.20

Finding the Fourth Proportional to 3,127,980,883.20, 4,692,601,180.80 and 917,186,323.20

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Solution

The fourth proportional to 3,127,980,883.20, 4,692,601,180.80 and 917,186,323.20 is: 1,375,964,171.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,127,980,883.20 : 4,692,601,180.80 = 917,186,323.20 : x
  2. Step 2: Convert to fraction form
    3,127,980,883.20/4,692,601,180.80 = 917,186,323.20/x
  3. Step 3: Cross multiply
    3,127,980,883.20x = 4,692,601,180.80 × 917,186,323.20
  4. Step 4: Simplify right side
    3,127,980,883.20x = 4,303,989,623,261,931,008
  5. Step 5: Solve for x
    x = 4,303,989,623,261,931,008/3,127,980,883.20
  6. Step 6: Final answer
    x = 1,375,964,171.13

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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.