Home / 878,048,883.57-1,211,595,753.47-501,729,864.76

Finding the Fourth Proportional to 878,048,883.57, 1,211,595,753.47 and 501,729,864.76

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Solution

The fourth proportional to 878,048,883.57, 1,211,595,753.47 and 501,729,864.76 is: 692,323,383.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,048,883.57 : 1,211,595,753.47 = 501,729,864.76 : x
  2. Step 2: Convert to fraction form
    878,048,883.57/1,211,595,753.47 = 501,729,864.76/x
  3. Step 3: Cross multiply
    878,048,883.57x = 1,211,595,753.47 × 501,729,864.76
  4. Step 4: Simplify right side
    878,048,883.57x = 607,893,773,531,311,232
  5. Step 5: Solve for x
    x = 607,893,773,531,311,232/878,048,883.57
  6. Step 6: Final answer
    x = 692,323,383.02

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Double scale
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1.5x scale

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.