Home / 1,994,543,999.10-2,991,815,998.65-906,152,831.10

Finding the Fourth Proportional to 1,994,543,999.10, 2,991,815,998.65 and 906,152,831.10

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Solution

The fourth proportional to 1,994,543,999.10, 2,991,815,998.65 and 906,152,831.10 is: 1,359,229,246.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,994,543,999.10 : 2,991,815,998.65 = 906,152,831.10 : x
  2. Step 2: Convert to fraction form
    1,994,543,999.10/2,991,815,998.65 = 906,152,831.10/x
  3. Step 3: Cross multiply
    1,994,543,999.10x = 2,991,815,998.65 × 906,152,831.10
  4. Step 4: Simplify right side
    1,994,543,999.10x = 2,711,042,537,306,971,648
  5. Step 5: Solve for x
    x = 2,711,042,537,306,971,648/1,994,543,999.10
  6. Step 6: Final answer
    x = 1,359,229,246.65

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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.