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Finding the Fourth Proportional to 156,970,641,618.60, 235,455,962,427.90 and 156,970,641,618.60

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Solution

The fourth proportional to 156,970,641,618.60, 235,455,962,427.90 and 156,970,641,618.60 is: 235,455,962,427.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,970,641,618.60 : 235,455,962,427.90 = 156,970,641,618.60 : x
  2. Step 2: Convert to fraction form
    156,970,641,618.60/235,455,962,427.90 = 156,970,641,618.60/x
  3. Step 3: Cross multiply
    156,970,641,618.60x = 235,455,962,427.90 × 156,970,641,618.60
  4. Step 4: Simplify right side
    156,970,641,618.60x = 36,959,673,495,232,438,075,392
  5. Step 5: Solve for x
    x = 36,959,673,495,232,438,075,392/156,970,641,618.60
  6. Step 6: Final answer
    x = 235,455,962,427.90

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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.