Home / 757,804,544.90-1,136,706,817.35-512,916,532.10

Finding the Fourth Proportional to 757,804,544.90, 1,136,706,817.35 and 512,916,532.10

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Solution

The fourth proportional to 757,804,544.90, 1,136,706,817.35 and 512,916,532.10 is: 769,374,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,804,544.90 : 1,136,706,817.35 = 512,916,532.10 : x
  2. Step 2: Convert to fraction form
    757,804,544.90/1,136,706,817.35 = 512,916,532.10/x
  3. Step 3: Cross multiply
    757,804,544.90x = 1,136,706,817.35 × 512,916,532.10
  4. Step 4: Simplify right side
    757,804,544.90x = 583,035,718,769,590,144
  5. Step 5: Solve for x
    x = 583,035,718,769,590,144/757,804,544.90
  6. Step 6: Final answer
    x = 769,374,798.15

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Double scale
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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.