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Finding the Fourth Proportional to 463,650,453.80, 695,475,680.70 and 140,492,335.40

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Solution

The fourth proportional to 463,650,453.80, 695,475,680.70 and 140,492,335.40 is: 210,738,503.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,650,453.80 : 695,475,680.70 = 140,492,335.40 : x
  2. Step 2: Convert to fraction form
    463,650,453.80/695,475,680.70 = 140,492,335.40/x
  3. Step 3: Cross multiply
    463,650,453.80x = 695,475,680.70 × 140,492,335.40
  4. Step 4: Simplify right side
    463,650,453.80x = 97,709,002,595,447,712
  5. Step 5: Solve for x
    x = 97,709,002,595,447,712/463,650,453.80
  6. Step 6: Final answer
    x = 210,738,503.10

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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.