Home / 757,804,525.65-1,136,706,788.48-512,916,512.85

Finding the Fourth Proportional to 757,804,525.65, 1,136,706,788.48 and 512,916,512.85

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Solution

The fourth proportional to 757,804,525.65, 1,136,706,788.48 and 512,916,512.85 is: 769,374,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,525.65 : 1,136,706,788.48 = 512,916,512.85 : x
  2. Step 2: Convert to fraction form
    757,804,525.65/1,136,706,788.48 = 512,916,512.85/x
  3. Step 3: Cross multiply
    757,804,525.65x = 1,136,706,788.48 × 512,916,512.85
  4. Step 4: Simplify right side
    757,804,525.65x = 583,035,682,080,084,224
  5. Step 5: Solve for x
    x = 583,035,682,080,084,224/757,804,525.65
  6. Step 6: Final answer
    x = 769,374,769.28

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Double scale
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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.