Home / 665,127,936,005.20-997,691,904,007.80-665,127,936,005.20

Finding the Fourth Proportional to 665,127,936,005.20, 997,691,904,007.80 and 665,127,936,005.20

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Solution

The fourth proportional to 665,127,936,005.20, 997,691,904,007.80 and 665,127,936,005.20 is: 997,691,904,007.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,127,936,005.20 : 997,691,904,007.80 = 665,127,936,005.20 : x
  2. Step 2: Convert to fraction form
    665,127,936,005.20/997,691,904,007.80 = 665,127,936,005.20/x
  3. Step 3: Cross multiply
    665,127,936,005.20x = 997,691,904,007.80 × 665,127,936,005.20
  4. Step 4: Simplify right side
    665,127,936,005.20x = 663,592,756,881,806,147,452,928
  5. Step 5: Solve for x
    x = 663,592,756,881,806,147,452,928/665,127,936,005.20
  6. Step 6: Final answer
    x = 997,691,904,007.80

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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.