Home / 354,642,050.55-531,963,075.83-298,521,880.95

Finding the Fourth Proportional to 354,642,050.55, 531,963,075.83 and 298,521,880.95

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Solution

The fourth proportional to 354,642,050.55, 531,963,075.83 and 298,521,880.95 is: 447,782,821.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,642,050.55 : 531,963,075.83 = 298,521,880.95 : x
  2. Step 2: Convert to fraction form
    354,642,050.55/531,963,075.83 = 298,521,880.95/x
  3. Step 3: Cross multiply
    354,642,050.55x = 531,963,075.83 × 298,521,880.95
  4. Step 4: Simplify right side
    354,642,050.55x = 158,802,617,991,226,464
  5. Step 5: Solve for x
    x = 158,802,617,991,226,464/354,642,050.55
  6. Step 6: Final answer
    x = 447,782,821.43

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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.