Home / 878,048,884.57-1,211,595,754.84-501,729,865.76

Finding the Fourth Proportional to 878,048,884.57, 1,211,595,754.84 and 501,729,865.76

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Solution

The fourth proportional to 878,048,884.57, 1,211,595,754.84 and 501,729,865.76 is: 692,323,384.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,048,884.57 : 1,211,595,754.84 = 501,729,865.76 : x
  2. Step 2: Convert to fraction form
    878,048,884.57/1,211,595,754.84 = 501,729,865.76/x
  3. Step 3: Cross multiply
    878,048,884.57x = 1,211,595,754.84 × 501,729,865.76
  4. Step 4: Simplify right side
    878,048,884.57x = 607,893,775,431,259,008
  5. Step 5: Solve for x
    x = 607,893,775,431,259,008/878,048,884.57
  6. Step 6: Final answer
    x = 692,323,384.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.