Home / 928,147,333,444.84-1,280,843,381,747-516,606,980,280.40

Finding the Fourth Proportional to 928,147,333,444.84, 1,280,843,381,747 and 516,606,980,280.40

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Solution

The fourth proportional to 928,147,333,444.84, 1,280,843,381,747 and 516,606,980,280.40 is: 712,917,667,069.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,147,333,444.84 : 1,280,843,381,747 = 516,606,980,280.40 : x
  2. Step 2: Convert to fraction form
    928,147,333,444.84/1,280,843,381,747 = 516,606,980,280.40/x
  3. Step 3: Cross multiply
    928,147,333,444.84x = 1,280,843,381,747 × 516,606,980,280.40
  4. Step 4: Simplify right side
    928,147,333,444.84x = 661,692,631,656,453,359,271,936
  5. Step 5: Solve for x
    x = 661,692,631,656,453,359,271,936/928,147,333,444.84
  6. Step 6: Final answer
    x = 712,917,667,069.70

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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.