Home / 1,435,395,220-1,980,846,200.70-775,345,504.48

Finding the Fourth Proportional to 1,435,395,220, 1,980,846,200.70 and 775,345,504.48

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Solution

The fourth proportional to 1,435,395,220, 1,980,846,200.70 and 775,345,504.48 is: 1,069,977,226.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,435,395,220 : 1,980,846,200.70 = 775,345,504.48 : x
  2. Step 2: Convert to fraction form
    1,435,395,220/1,980,846,200.70 = 775,345,504.48/x
  3. Step 3: Cross multiply
    1,435,395,220x = 1,980,846,200.70 × 775,345,504.48
  4. Step 4: Simplify right side
    1,435,395,220x = 1,535,840,196,779,032,832
  5. Step 5: Solve for x
    x = 1,535,840,196,779,032,832/1,435,395,220
  6. Step 6: Final answer
    x = 1,069,977,226.75

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Why These Related Problems?

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