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Finding the Fourth Proportional to 613,495,577.48, 921,605,391.52 and 380,498,474.34

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Solution

The fourth proportional to 613,495,577.48, 921,605,391.52 and 380,498,474.34 is: 571,592,458.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    613,495,577.48 : 921,605,391.52 = 380,498,474.34 : x
  2. Step 2: Convert to fraction form
    613,495,577.48/921,605,391.52 = 380,498,474.34/x
  3. Step 3: Cross multiply
    613,495,577.48x = 921,605,391.52 × 380,498,474.34
  4. Step 4: Simplify right side
    613,495,577.48x = 350,669,445,415,927,104
  5. Step 5: Solve for x
    x = 350,669,445,415,927,104/613,495,577.48
  6. Step 6: Final answer
    x = 571,592,458.51

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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.