Home / 1,066,752,465.80-1,600,217,172.30-339,720,657.80

Finding the Fourth Proportional to 1,066,752,465.80, 1,600,217,172.30 and 339,720,657.80

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Solution

The fourth proportional to 1,066,752,465.80, 1,600,217,172.30 and 339,720,657.80 is: 509,609,162.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,752,465.80 : 1,600,217,172.30 = 339,720,657.80 : x
  2. Step 2: Convert to fraction form
    1,066,752,465.80/1,600,217,172.30 = 339,720,657.80/x
  3. Step 3: Cross multiply
    1,066,752,465.80x = 1,600,217,172.30 × 339,720,657.80
  4. Step 4: Simplify right side
    1,066,752,465.80x = 543,626,830,396,611,968
  5. Step 5: Solve for x
    x = 543,626,830,396,611,968/1,066,752,465.80
  6. Step 6: Final answer
    x = 509,609,162.22

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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.