Home / 528,022,398.30-792,789,424.65-298,439,886.30

Finding the Fourth Proportional to 528,022,398.30, 792,789,424.65 and 298,439,886.30

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Solution

The fourth proportional to 528,022,398.30, 792,789,424.65 and 298,439,886.30 is: 448,087,025.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,022,398.30 : 792,789,424.65 = 298,439,886.30 : x
  2. Step 2: Convert to fraction form
    528,022,398.30/792,789,424.65 = 298,439,886.30/x
  3. Step 3: Cross multiply
    528,022,398.30x = 792,789,424.65 × 298,439,886.30
  4. Step 4: Simplify right side
    528,022,398.30x = 236,599,985,752,388,416
  5. Step 5: Solve for x
    x = 236,599,985,752,388,416/528,022,398.30
  6. Step 6: Final answer
    x = 448,087,025.31

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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.