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Finding the Fourth Proportional to 320,032,061.70, 480,048,092.55 and 307,490,928.90

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Solution

The fourth proportional to 320,032,061.70, 480,048,092.55 and 307,490,928.90 is: 461,236,393.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,032,061.70 : 480,048,092.55 = 307,490,928.90 : x
  2. Step 2: Convert to fraction form
    320,032,061.70/480,048,092.55 = 307,490,928.90/x
  3. Step 3: Cross multiply
    320,032,061.70x = 480,048,092.55 × 307,490,928.90
  4. Step 4: Simplify right side
    320,032,061.70x = 147,610,433,894,872,672
  5. Step 5: Solve for x
    x = 147,610,433,894,872,672/320,032,061.70
  6. Step 6: Final answer
    x = 461,236,393.35

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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.