Home / 805,220,665.07-1,208,180,749.93-437,015,753.42

Finding the Fourth Proportional to 805,220,665.07, 1,208,180,749.93 and 437,015,753.42

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Solution

The fourth proportional to 805,220,665.07, 1,208,180,749.93 and 437,015,753.42 is: 655,713,450.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,220,665.07 : 1,208,180,749.93 = 437,015,753.42 : x
  2. Step 2: Convert to fraction form
    805,220,665.07/1,208,180,749.93 = 437,015,753.42/x
  3. Step 3: Cross multiply
    805,220,665.07x = 1,208,180,749.93 × 437,015,753.42
  4. Step 4: Simplify right side
    805,220,665.07x = 527,994,020,691,066,176
  5. Step 5: Solve for x
    x = 527,994,020,691,066,176/805,220,665.07
  6. Step 6: Final answer
    x = 655,713,450.48

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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.