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Finding the Fourth Proportional to 19,315,662,446.10, 28,973,493,669.16 and 19,315,662,446.10

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Solution

The fourth proportional to 19,315,662,446.10, 28,973,493,669.16 and 19,315,662,446.10 is: 28,973,493,669.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,315,662,446.10 : 28,973,493,669.16 = 19,315,662,446.10 : x
  2. Step 2: Convert to fraction form
    19,315,662,446.10/28,973,493,669.16 = 19,315,662,446.10/x
  3. Step 3: Cross multiply
    19,315,662,446.10x = 28,973,493,669.16 × 19,315,662,446.10
  4. Step 4: Simplify right side
    19,315,662,446.10x = 559,642,223,597,709,885,440
  5. Step 5: Solve for x
    x = 559,642,223,597,709,885,440/19,315,662,446.10
  6. Step 6: Final answer
    x = 28,973,493,669.16

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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.