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Finding the Fourth Proportional to 326,916,291,607.60, 490,374,437,411.40 and 326,916,291,607.60

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Solution

The fourth proportional to 326,916,291,607.60, 490,374,437,411.40 and 326,916,291,607.60 is: 490,374,437,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,916,291,607.60 : 490,374,437,411.40 = 326,916,291,607.60 : x
  2. Step 2: Convert to fraction form
    326,916,291,607.60/490,374,437,411.40 = 326,916,291,607.60/x
  3. Step 3: Cross multiply
    326,916,291,607.60x = 490,374,437,411.40 × 326,916,291,607.60
  4. Step 4: Simplify right side
    326,916,291,607.60x = 160,311,392,577,698,024,914,944
  5. Step 5: Solve for x
    x = 160,311,392,577,698,024,914,944/326,916,291,607.60
  6. Step 6: Final answer
    x = 490,374,437,411.40

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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.