Home / 542,971,128-749,293,858.08-295,448,217.60

Finding the Fourth Proportional to 542,971,128, 749,293,858.08 and 295,448,217.60

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Solution

The fourth proportional to 542,971,128, 749,293,858.08 and 295,448,217.60 is: 407,715,113.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,971,128 : 749,293,858.08 = 295,448,217.60 : x
  2. Step 2: Convert to fraction form
    542,971,128/749,293,858.08 = 295,448,217.60/x
  3. Step 3: Cross multiply
    542,971,128x = 749,293,858.08 × 295,448,217.60
  4. Step 4: Simplify right side
    542,971,128x = 221,377,534,828,363,392
  5. Step 5: Solve for x
    x = 221,377,534,828,363,392/542,971,128
  6. Step 6: Final answer
    x = 407,715,113.04

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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.