Home / 513,551,970,742.16-769,657,839,734.72-286,902,267,716.34

Finding the Fourth Proportional to 513,551,970,742.16, 769,657,839,734.72 and 286,902,267,716.34

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Solution

The fourth proportional to 513,551,970,742.16, 769,657,839,734.72 and 286,902,267,716.34 is: 429,979,032,631.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,551,970,742.16 : 769,657,839,734.72 = 286,902,267,716.34 : x
  2. Step 2: Convert to fraction form
    513,551,970,742.16/769,657,839,734.72 = 286,902,267,716.34/x
  3. Step 3: Cross multiply
    513,551,970,742.16x = 769,657,839,734.72 × 286,902,267,716.34
  4. Step 4: Simplify right side
    513,551,970,742.16x = 220,816,579,585,550,554,497,024
  5. Step 5: Solve for x
    x = 220,816,579,585,550,554,497,024/513,551,970,742.16
  6. Step 6: Final answer
    x = 429,979,032,631.18

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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.