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Finding the Fourth Proportional to 74,259,716,530.15, 111,389,574,795.23 and 74,259,716,530.15

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Solution

The fourth proportional to 74,259,716,530.15, 111,389,574,795.23 and 74,259,716,530.15 is: 111,389,574,795.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,259,716,530.15 : 111,389,574,795.23 = 74,259,716,530.15 : x
  2. Step 2: Convert to fraction form
    74,259,716,530.15/111,389,574,795.23 = 74,259,716,530.15/x
  3. Step 3: Cross multiply
    74,259,716,530.15x = 111,389,574,795.23 × 74,259,716,530.15
  4. Step 4: Simplify right side
    74,259,716,530.15x = 8,271,758,248,707,720,478,720
  5. Step 5: Solve for x
    x = 8,271,758,248,707,720,478,720/74,259,716,530.15
  6. Step 6: Final answer
    x = 111,389,574,795.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.