Home / 406,078,133,846.10-560,401,263,980.05-223,181,718,344.46

Finding the Fourth Proportional to 406,078,133,846.10, 560,401,263,980.05 and 223,181,718,344.46

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Solution

The fourth proportional to 406,078,133,846.10, 560,401,263,980.05 and 223,181,718,344.46 is: 307,998,157,578.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,846.10 : 560,401,263,980.05 = 223,181,718,344.46 : x
  2. Step 2: Convert to fraction form
    406,078,133,846.10/560,401,263,980.05 = 223,181,718,344.46/x
  3. Step 3: Cross multiply
    406,078,133,846.10x = 560,401,263,980.05 × 223,181,718,344.46
  4. Step 4: Simplify right side
    406,078,133,846.10x = 125,071,317,057,474,905,767,936
  5. Step 5: Solve for x
    x = 125,071,317,057,474,905,767,936/406,078,133,846.10
  6. Step 6: Final answer
    x = 307,998,157,578.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.