Home / 1,108,643,600,769.90-1,663,153,140,699.90-382,377,726,817.32

Finding the Fourth Proportional to 1,108,643,600,769.90, 1,663,153,140,699.90 and 382,377,726,817.32

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Solution

The fourth proportional to 1,108,643,600,769.90, 1,663,153,140,699.90 and 382,377,726,817.32 is: 573,631,342,704.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,643,600,769.90 : 1,663,153,140,699.90 = 382,377,726,817.32 : x
  2. Step 2: Convert to fraction form
    1,108,643,600,769.90/1,663,153,140,699.90 = 382,377,726,817.32/x
  3. Step 3: Cross multiply
    1,108,643,600,769.90x = 1,663,153,140,699.90 × 382,377,726,817.32
  4. Step 4: Simplify right side
    1,108,643,600,769.90x = 635,952,717,289,914,139,410,432
  5. Step 5: Solve for x
    x = 635,952,717,289,914,139,410,432/1,108,643,600,769.90
  6. Step 6: Final answer
    x = 573,631,342,704.07

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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.