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Finding the Fourth Proportional to 128,934,845,254.20, 193,402,267,881.30 and 128,934,845,254.20

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Solution

The fourth proportional to 128,934,845,254.20, 193,402,267,881.30 and 128,934,845,254.20 is: 193,402,267,881.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    128,934,845,254.20 : 193,402,267,881.30 = 128,934,845,254.20 : x
  2. Step 2: Convert to fraction form
    128,934,845,254.20/193,402,267,881.30 = 128,934,845,254.20/x
  3. Step 3: Cross multiply
    128,934,845,254.20x = 193,402,267,881.30 × 128,934,845,254.20
  4. Step 4: Simplify right side
    128,934,845,254.20x = 24,936,291,481,086,748,262,400
  5. Step 5: Solve for x
    x = 24,936,291,481,086,748,262,400/128,934,845,254.20
  6. Step 6: Final answer
    x = 193,402,267,881.30

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1.5x scale

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.