Home / 189,192,634,998.79-283,789,688,761.95-45,771,433,112.82

Finding the Fourth Proportional to 189,192,634,998.79, 283,789,688,761.95 and 45,771,433,112.82

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Solution

The fourth proportional to 189,192,634,998.79, 283,789,688,761.95 and 45,771,433,112.82 is: 68,657,327,793.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,192,634,998.79 : 283,789,688,761.95 = 45,771,433,112.82 : x
  2. Step 2: Convert to fraction form
    189,192,634,998.79/283,789,688,761.95 = 45,771,433,112.82/x
  3. Step 3: Cross multiply
    189,192,634,998.79x = 283,789,688,761.95 × 45,771,433,112.82
  4. Step 4: Simplify right side
    189,192,634,998.79x = 12,989,460,757,275,599,699,968
  5. Step 5: Solve for x
    x = 12,989,460,757,275,599,699,968/189,192,634,998.79
  6. Step 6: Final answer
    x = 68,657,327,793.75

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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.