Home / 528,768,049.80-793,152,074.70-407,835,697.80

Finding the Fourth Proportional to 528,768,049.80, 793,152,074.70 and 407,835,697.80

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Solution

The fourth proportional to 528,768,049.80, 793,152,074.70 and 407,835,697.80 is: 611,753,546.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,768,049.80 : 793,152,074.70 = 407,835,697.80 : x
  2. Step 2: Convert to fraction form
    528,768,049.80/793,152,074.70 = 407,835,697.80/x
  3. Step 3: Cross multiply
    528,768,049.80x = 793,152,074.70 × 407,835,697.80
  4. Step 4: Simplify right side
    528,768,049.80x = 323,475,729,846,792,256
  5. Step 5: Solve for x
    x = 323,475,729,846,792,256/528,768,049.80
  6. Step 6: Final answer
    x = 611,753,546.70

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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.