Home / 452,161,312.40-678,418,915.80-164,976,006.80

Finding the Fourth Proportional to 452,161,312.40, 678,418,915.80 and 164,976,006.80

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Solution

The fourth proportional to 452,161,312.40, 678,418,915.80 and 164,976,006.80 is: 247,528,571.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,161,312.40 : 678,418,915.80 = 164,976,006.80 : x
  2. Step 2: Convert to fraction form
    452,161,312.40/678,418,915.80 = 164,976,006.80/x
  3. Step 3: Cross multiply
    452,161,312.40x = 678,418,915.80 × 164,976,006.80
  4. Step 4: Simplify right side
    452,161,312.40x = 111,922,843,666,269,424
  5. Step 5: Solve for x
    x = 111,922,843,666,269,424/452,161,312.40
  6. Step 6: Final answer
    x = 247,528,571.32

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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.