Home / 769,559,392.82-1,061,963,510.87-417,127,816.73

Finding the Fourth Proportional to 769,559,392.82, 1,061,963,510.87 and 417,127,816.73

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Solution

The fourth proportional to 769,559,392.82, 1,061,963,510.87 and 417,127,816.73 is: 575,620,965.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,559,392.82 : 1,061,963,510.87 = 417,127,816.73 : x
  2. Step 2: Convert to fraction form
    769,559,392.82/1,061,963,510.87 = 417,127,816.73/x
  3. Step 3: Cross multiply
    769,559,392.82x = 1,061,963,510.87 × 417,127,816.73
  4. Step 4: Simplify right side
    769,559,392.82x = 442,974,520,728,733,312
  5. Step 5: Solve for x
    x = 442,974,520,728,733,312/769,559,392.82
  6. Step 6: Final answer
    x = 575,620,965.54

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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.