Home / 945,608,568.30-1,418,412,852.45-299,376,312.30

Finding the Fourth Proportional to 945,608,568.30, 1,418,412,852.45 and 299,376,312.30

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Solution

The fourth proportional to 945,608,568.30, 1,418,412,852.45 and 299,376,312.30 is: 449,064,468.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,608,568.30 : 1,418,412,852.45 = 299,376,312.30 : x
  2. Step 2: Convert to fraction form
    945,608,568.30/1,418,412,852.45 = 299,376,312.30/x
  3. Step 3: Cross multiply
    945,608,568.30x = 1,418,412,852.45 × 299,376,312.30
  4. Step 4: Simplify right side
    945,608,568.30x = 424,639,209,085,405,056
  5. Step 5: Solve for x
    x = 424,639,209,085,405,056/945,608,568.30
  6. Step 6: Final answer
    x = 449,064,468.45

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Double scale
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Similar ratio
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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.