Home / 472,416,328.80-708,624,493.20-461,799,496.80

Finding the Fourth Proportional to 472,416,328.80, 708,624,493.20 and 461,799,496.80

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Solution

The fourth proportional to 472,416,328.80, 708,624,493.20 and 461,799,496.80 is: 692,699,245.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,416,328.80 : 708,624,493.20 = 461,799,496.80 : x
  2. Step 2: Convert to fraction form
    472,416,328.80/708,624,493.20 = 461,799,496.80/x
  3. Step 3: Cross multiply
    472,416,328.80x = 708,624,493.20 × 461,799,496.80
  4. Step 4: Simplify right side
    472,416,328.80x = 327,242,434,379,915,072
  5. Step 5: Solve for x
    x = 327,242,434,379,915,072/472,416,328.80
  6. Step 6: Final answer
    x = 692,699,245.20

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1.5x scale

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.