Home / 406,078,133,853.03-560,401,263,989.67-223,181,718,351.40

Finding the Fourth Proportional to 406,078,133,853.03, 560,401,263,989.67 and 223,181,718,351.40

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Solution

The fourth proportional to 406,078,133,853.03, 560,401,263,989.67 and 223,181,718,351.40 is: 307,998,157,588.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,853.03 : 560,401,263,989.67 = 223,181,718,351.40 : x
  2. Step 2: Convert to fraction form
    406,078,133,853.03/560,401,263,989.67 = 223,181,718,351.40/x
  3. Step 3: Cross multiply
    406,078,133,853.03x = 560,401,263,989.67 × 223,181,718,351.40
  4. Step 4: Simplify right side
    406,078,133,853.03x = 125,071,317,063,511,096,426,496
  5. Step 5: Solve for x
    x = 125,071,317,063,511,096,426,496/406,078,133,853.03
  6. Step 6: Final answer
    x = 307,998,157,588.01

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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.