Home / 405,012,081,806.19-558,865,302,094.36-222,061,040,253.81

Finding the Fourth Proportional to 405,012,081,806.19, 558,865,302,094.36 and 222,061,040,253.81

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Solution

The fourth proportional to 405,012,081,806.19, 558,865,302,094.36 and 222,061,040,253.81 is: 306,416,069,840.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,012,081,806.19 : 558,865,302,094.36 = 222,061,040,253.81 : x
  2. Step 2: Convert to fraction form
    405,012,081,806.19/558,865,302,094.36 = 222,061,040,253.81/x
  3. Step 3: Cross multiply
    405,012,081,806.19x = 558,865,302,094.36 × 222,061,040,253.81
  4. Step 4: Simplify right side
    405,012,081,806.19x = 124,102,210,344,833,358,233,600
  5. Step 5: Solve for x
    x = 124,102,210,344,833,358,233,600/405,012,081,806.19
  6. Step 6: Final answer
    x = 306,416,069,840.16

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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.