Home / 510,984,114.30-766,476,171.45-505,609,343.10

Finding the Fourth Proportional to 510,984,114.30, 766,476,171.45 and 505,609,343.10

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Solution

The fourth proportional to 510,984,114.30, 766,476,171.45 and 505,609,343.10 is: 758,414,014.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,984,114.30 : 766,476,171.45 = 505,609,343.10 : x
  2. Step 2: Convert to fraction form
    510,984,114.30/766,476,171.45 = 505,609,343.10/x
  3. Step 3: Cross multiply
    510,984,114.30x = 766,476,171.45 × 505,609,343.10
  4. Step 4: Simplify right side
    510,984,114.30x = 387,537,513,548,637,504
  5. Step 5: Solve for x
    x = 387,537,513,548,637,504/510,984,114.30
  6. Step 6: Final answer
    x = 758,414,014.65

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Double scale
Find fourth proportional to 510,984,115.30, 766,476,172.95 and 505,609,344.10
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.