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Finding the Fourth Proportional to 1,303,526,035.49, 1,798,647,849 and 767,784,369.93

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Solution

The fourth proportional to 1,303,526,035.49, 1,798,647,849 and 767,784,369.93 is: 1,059,413,980.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,303,526,035.49 : 1,798,647,849 = 767,784,369.93 : x
  2. Step 2: Convert to fraction form
    1,303,526,035.49/1,798,647,849 = 767,784,369.93/x
  3. Step 3: Cross multiply
    1,303,526,035.49x = 1,798,647,849 × 767,784,369.93
  4. Step 4: Simplify right side
    1,303,526,035.49x = 1,380,973,705,473,778,176
  5. Step 5: Solve for x
    x = 1,380,973,705,473,778,176/1,303,526,035.49
  6. Step 6: Final answer
    x = 1,059,413,980.14

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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.