Home / 406,078,133,866.56-560,401,264,008.28-223,181,718,364.92

Finding the Fourth Proportional to 406,078,133,866.56, 560,401,264,008.28 and 223,181,718,364.92

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Solution

The fourth proportional to 406,078,133,866.56, 560,401,264,008.28 and 223,181,718,364.92 is: 307,998,157,606.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,078,133,866.56 : 560,401,264,008.28 = 223,181,718,364.92 : x
  2. Step 2: Convert to fraction form
    406,078,133,866.56/560,401,264,008.28 = 223,181,718,364.92/x
  3. Step 3: Cross multiply
    406,078,133,866.56x = 560,401,264,008.28 × 223,181,718,364.92
  4. Step 4: Simplify right side
    406,078,133,866.56x = 125,071,317,075,241,138,651,136
  5. Step 5: Solve for x
    x = 125,071,317,075,241,138,651,136/406,078,133,866.56
  6. Step 6: Final answer
    x = 307,998,157,606.64

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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.