Home / 1,092,242,841.78-1,507,705,019.04-715,923,680.96

Finding the Fourth Proportional to 1,092,242,841.78, 1,507,705,019.04 and 715,923,680.96

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Solution

The fourth proportional to 1,092,242,841.78, 1,507,705,019.04 and 715,923,680.96 is: 988,243,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,242,841.78 : 1,507,705,019.04 = 715,923,680.96 : x
  2. Step 2: Convert to fraction form
    1,092,242,841.78/1,507,705,019.04 = 715,923,680.96/x
  3. Step 3: Cross multiply
    1,092,242,841.78x = 1,507,705,019.04 × 715,923,680.96
  4. Step 4: Simplify right side
    1,092,242,841.78x = 1,079,401,727,033,388,032
  5. Step 5: Solve for x
    x = 1,079,401,727,033,388,032/1,092,242,841.78
  6. Step 6: Final answer
    x = 988,243,351.89

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Half scale
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Double scale
Find fourth proportional to 1,092,242,842.78, 1,507,705,020.42 and 715,923,681.96
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1.5x scale

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.