Home / 528,022,436.80-792,789,482.40-298,439,924.80

Finding the Fourth Proportional to 528,022,436.80, 792,789,482.40 and 298,439,924.80

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Solution

The fourth proportional to 528,022,436.80, 792,789,482.40 and 298,439,924.80 is: 448,087,083.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,022,436.80 : 792,789,482.40 = 298,439,924.80 : x
  2. Step 2: Convert to fraction form
    528,022,436.80/792,789,482.40 = 298,439,924.80/x
  3. Step 3: Cross multiply
    528,022,436.80x = 792,789,482.40 × 298,439,924.80
  4. Step 4: Simplify right side
    528,022,436.80x = 236,600,033,509,686,912
  5. Step 5: Solve for x
    x = 236,600,033,509,686,912/528,022,436.80
  6. Step 6: Final answer
    x = 448,087,083.09

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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.