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Finding the Fourth Proportional to 613,602,735.97, 846,774,361.58 and 345,681,783.01

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Solution

The fourth proportional to 613,602,735.97, 846,774,361.58 and 345,681,783.01 is: 477,042,317.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,602,735.97 : 846,774,361.58 = 345,681,783.01 : x
  2. Step 2: Convert to fraction form
    613,602,735.97/846,774,361.58 = 345,681,783.01/x
  3. Step 3: Cross multiply
    613,602,735.97x = 846,774,361.58 × 345,681,783.01
  4. Step 4: Simplify right side
    613,602,735.97x = 292,714,471,118,993,024
  5. Step 5: Solve for x
    x = 292,714,471,118,993,024/613,602,735.97
  6. Step 6: Final answer
    x = 477,042,317.38

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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.