Home / 757,804,568.90-1,136,706,853.35-512,916,556.10

Finding the Fourth Proportional to 757,804,568.90, 1,136,706,853.35 and 512,916,556.10

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Solution

The fourth proportional to 757,804,568.90, 1,136,706,853.35 and 512,916,556.10 is: 769,374,834.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,568.90 : 1,136,706,853.35 = 512,916,556.10 : x
  2. Step 2: Convert to fraction form
    757,804,568.90/1,136,706,853.35 = 512,916,556.10/x
  3. Step 3: Cross multiply
    757,804,568.90x = 1,136,706,853.35 × 512,916,556.10
  4. Step 4: Simplify right side
    757,804,568.90x = 583,035,764,515,549,696
  5. Step 5: Solve for x
    x = 583,035,764,515,549,696/757,804,568.90
  6. Step 6: Final answer
    x = 769,374,834.15

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Double scale
Find fourth proportional to 757,804,569.90, 1,136,706,854.85 and 512,916,557.10
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.