Home / 1,155,446,853.36-1,594,516,657.60-660,420,190.68

Finding the Fourth Proportional to 1,155,446,853.36, 1,594,516,657.60 and 660,420,190.68

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Solution

The fourth proportional to 1,155,446,853.36, 1,594,516,657.60 and 660,420,190.68 is: 911,379,863.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,446,853.36 : 1,594,516,657.60 = 660,420,190.68 : x
  2. Step 2: Convert to fraction form
    1,155,446,853.36/1,594,516,657.60 = 660,420,190.68/x
  3. Step 3: Cross multiply
    1,155,446,853.36x = 1,594,516,657.60 × 660,420,190.68
  4. Step 4: Simplify right side
    1,155,446,853.36x = 1,053,050,995,054,628,096
  5. Step 5: Solve for x
    x = 1,053,050,995,054,628,096/1,155,446,853.36
  6. Step 6: Final answer
    x = 911,379,863.12

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.