Home / 994,355,999.40-1,491,533,999.10-841,300,991.40

Finding the Fourth Proportional to 994,355,999.40, 1,491,533,999.10 and 841,300,991.40

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Solution

The fourth proportional to 994,355,999.40, 1,491,533,999.10 and 841,300,991.40 is: 1,261,951,487.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,355,999.40 : 1,491,533,999.10 = 841,300,991.40 : x
  2. Step 2: Convert to fraction form
    994,355,999.40/1,491,533,999.10 = 841,300,991.40/x
  3. Step 3: Cross multiply
    994,355,999.40x = 1,491,533,999.10 × 841,300,991.40
  4. Step 4: Simplify right side
    994,355,999.40x = 1,254,829,032,149,636,608
  5. Step 5: Solve for x
    x = 1,254,829,032,149,636,608/994,355,999.40
  6. Step 6: Final answer
    x = 1,261,951,487.10

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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.