Home / 782,342,204.40-1,079,396,805.24-468,962,075.52

Finding the Fourth Proportional to 782,342,204.40, 1,079,396,805.24 and 468,962,075.52

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Solution

The fourth proportional to 782,342,204.40, 1,079,396,805.24 and 468,962,075.52 is: 647,026,535.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,342,204.40 : 1,079,396,805.24 = 468,962,075.52 : x
  2. Step 2: Convert to fraction form
    782,342,204.40/1,079,396,805.24 = 468,962,075.52/x
  3. Step 3: Cross multiply
    782,342,204.40x = 1,079,396,805.24 × 468,962,075.52
  4. Step 4: Simplify right side
    782,342,204.40x = 506,196,166,095,007,616
  5. Step 5: Solve for x
    x = 506,196,166,095,007,616/782,342,204.40
  6. Step 6: Final answer
    x = 647,026,535.51

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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.