Home / 729,312,331.04-1,006,412,796.24-399,224,241.44

Finding the Fourth Proportional to 729,312,331.04, 1,006,412,796.24 and 399,224,241.44

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Solution

The fourth proportional to 729,312,331.04, 1,006,412,796.24 and 399,224,241.44 is: 550,908,531.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,312,331.04 : 1,006,412,796.24 = 399,224,241.44 : x
  2. Step 2: Convert to fraction form
    729,312,331.04/1,006,412,796.24 = 399,224,241.44/x
  3. Step 3: Cross multiply
    729,312,331.04x = 1,006,412,796.24 × 399,224,241.44
  4. Step 4: Simplify right side
    729,312,331.04x = 401,784,385,154,423,296
  5. Step 5: Solve for x
    x = 401,784,385,154,423,296/729,312,331.04
  6. Step 6: Final answer
    x = 550,908,531.30

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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.