Home / 1,620,307,808.10-2,430,528,067.35-471,450,464.10

Finding the Fourth Proportional to 1,620,307,808.10, 2,430,528,067.35 and 471,450,464.10

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Solution

The fourth proportional to 1,620,307,808.10, 2,430,528,067.35 and 471,450,464.10 is: 707,195,003.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,307,808.10 : 2,430,528,067.35 = 471,450,464.10 : x
  2. Step 2: Convert to fraction form
    1,620,307,808.10/2,430,528,067.35 = 471,450,464.10/x
  3. Step 3: Cross multiply
    1,620,307,808.10x = 2,430,528,067.35 × 471,450,464.10
  4. Step 4: Simplify right side
    1,620,307,808.10x = 1,145,873,585,360,233,600
  5. Step 5: Solve for x
    x = 1,145,873,585,360,233,600/1,620,307,808.10
  6. Step 6: Final answer
    x = 707,195,003.09

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.