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Finding the Fourth Proportional to 555,436,211.40, 833,154,317.10 and 555,436,211.40

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Solution

The fourth proportional to 555,436,211.40, 833,154,317.10 and 555,436,211.40 is: 833,154,317.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,436,211.40 : 833,154,317.10 = 555,436,211.40 : x
  2. Step 2: Convert to fraction form
    555,436,211.40/833,154,317.10 = 555,436,211.40/x
  3. Step 3: Cross multiply
    555,436,211.40x = 833,154,317.10 × 555,436,211.40
  4. Step 4: Simplify right side
    555,436,211.40x = 462,764,077,401,578,240
  5. Step 5: Solve for x
    x = 462,764,077,401,578,240/555,436,211.40
  6. Step 6: Final answer
    x = 833,154,317.10

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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.