Home / 881,121,722.40-1,322,186,468.40-608,688,007.20

Finding the Fourth Proportional to 881,121,722.40, 1,322,186,468.40 and 608,688,007.20

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Solution

The fourth proportional to 881,121,722.40, 1,322,186,468.40 and 608,688,007.20 is: 913,380,099.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,121,722.40 : 1,322,186,468.40 = 608,688,007.20 : x
  2. Step 2: Convert to fraction form
    881,121,722.40/1,322,186,468.40 = 608,688,007.20/x
  3. Step 3: Cross multiply
    881,121,722.40x = 1,322,186,468.40 × 608,688,007.20
  4. Step 4: Simplify right side
    881,121,722.40x = 804,799,046,597,201,920
  5. Step 5: Solve for x
    x = 804,799,046,597,201,920/881,121,722.40
  6. Step 6: Final answer
    x = 913,380,099.64

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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.