Home / 1,350,857,345.58-1,864,202,172.55-778,323,975

Finding the Fourth Proportional to 1,350,857,345.58, 1,864,202,172.55 and 778,323,975

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Solution

The fourth proportional to 1,350,857,345.58, 1,864,202,172.55 and 778,323,975 is: 1,074,098,053.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,350,857,345.58 : 1,864,202,172.55 = 778,323,975 : x
  2. Step 2: Convert to fraction form
    1,350,857,345.58/1,864,202,172.55 = 778,323,975/x
  3. Step 3: Cross multiply
    1,350,857,345.58x = 1,864,202,172.55 × 778,323,975
  4. Step 4: Simplify right side
    1,350,857,345.58x = 1,450,953,245,138,860,288
  5. Step 5: Solve for x
    x = 1,450,953,245,138,860,288/1,350,857,345.58
  6. Step 6: Final answer
    x = 1,074,098,053.27

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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.