Home / 406,078,133,849.76-560,401,263,985.20-223,181,718,348.15

Finding the Fourth Proportional to 406,078,133,849.76, 560,401,263,985.20 and 223,181,718,348.15

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Solution

The fourth proportional to 406,078,133,849.76, 560,401,263,985.20 and 223,181,718,348.15 is: 307,998,157,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,849.76 : 560,401,263,985.20 = 223,181,718,348.15 : x
  2. Step 2: Convert to fraction form
    406,078,133,849.76/560,401,263,985.20 = 223,181,718,348.15/x
  3. Step 3: Cross multiply
    406,078,133,849.76x = 560,401,263,985.20 × 223,181,718,348.15
  4. Step 4: Simplify right side
    406,078,133,849.76x = 125,071,317,060,692,155,039,744
  5. Step 5: Solve for x
    x = 125,071,317,060,692,155,039,744/406,078,133,849.76
  6. Step 6: Final answer
    x = 307,998,157,583.55

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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.