Home / 528,057,339.90-792,086,009.85-482,670,383.10

Finding the Fourth Proportional to 528,057,339.90, 792,086,009.85 and 482,670,383.10

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Solution

The fourth proportional to 528,057,339.90, 792,086,009.85 and 482,670,383.10 is: 724,005,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,057,339.90 : 792,086,009.85 = 482,670,383.10 : x
  2. Step 2: Convert to fraction form
    528,057,339.90/792,086,009.85 = 482,670,383.10/x
  3. Step 3: Cross multiply
    528,057,339.90x = 792,086,009.85 × 482,670,383.10
  4. Step 4: Simplify right side
    528,057,339.90x = 382,316,457,822,449,920
  5. Step 5: Solve for x
    x = 382,316,457,822,449,920/528,057,339.90
  6. Step 6: Final answer
    x = 724,005,574.65

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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.