Home / 406,078,133,855.03-560,401,263,992.43-223,181,718,353.40

Finding the Fourth Proportional to 406,078,133,855.03, 560,401,263,992.43 and 223,181,718,353.40

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Solution

The fourth proportional to 406,078,133,855.03, 560,401,263,992.43 and 223,181,718,353.40 is: 307,998,157,590.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,855.03 : 560,401,263,992.43 = 223,181,718,353.40 : x
  2. Step 2: Convert to fraction form
    406,078,133,855.03/560,401,263,992.43 = 223,181,718,353.40/x
  3. Step 3: Cross multiply
    406,078,133,855.03x = 560,401,263,992.43 × 223,181,718,353.40
  4. Step 4: Simplify right side
    406,078,133,855.03x = 125,071,317,065,247,873,826,816
  5. Step 5: Solve for x
    x = 125,071,317,065,247,873,826,816/406,078,133,855.03
  6. Step 6: Final answer
    x = 307,998,157,590.77

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1.5x scale

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.