Home / 928,147,333,441.55-1,280,843,381,742.70-516,606,980,277.20

Finding the Fourth Proportional to 928,147,333,441.55, 1,280,843,381,742.70 and 516,606,980,277.20

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Solution

The fourth proportional to 928,147,333,441.55, 1,280,843,381,742.70 and 516,606,980,277.20 is: 712,917,667,065.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,147,333,441.55 : 1,280,843,381,742.70 = 516,606,980,277.20 : x
  2. Step 2: Convert to fraction form
    928,147,333,441.55/1,280,843,381,742.70 = 516,606,980,277.20/x
  3. Step 3: Cross multiply
    928,147,333,441.55x = 1,280,843,381,742.70 × 516,606,980,277.20
  4. Step 4: Simplify right side
    928,147,333,441.55x = 661,692,631,650,133,180,678,144
  5. Step 5: Solve for x
    x = 661,692,631,650,133,180,678,144/928,147,333,441.55
  6. Step 6: Final answer
    x = 712,917,667,065.41

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.