Home / 699,426,549.34-964,860,190.32-416,969,961.98

Finding the Fourth Proportional to 699,426,549.34, 964,860,190.32 and 416,969,961.98

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Solution

The fourth proportional to 699,426,549.34, 964,860,190.32 and 416,969,961.98 is: 575,210,816.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,426,549.34 : 964,860,190.32 = 416,969,961.98 : x
  2. Step 2: Convert to fraction form
    699,426,549.34/964,860,190.32 = 416,969,961.98/x
  3. Step 3: Cross multiply
    699,426,549.34x = 964,860,190.32 × 416,969,961.98
  4. Step 4: Simplify right side
    699,426,549.34x = 402,317,716,873,745,984
  5. Step 5: Solve for x
    x = 402,317,716,873,745,984/699,426,549.34
  6. Step 6: Final answer
    x = 575,210,816.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.