Home / 56,012,227,739.61-77,297,107,166.48-30,291,507,657.28

Finding the Fourth Proportional to 56,012,227,739.61, 77,297,107,166.48 and 30,291,507,657.28

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Solution

The fourth proportional to 56,012,227,739.61, 77,297,107,166.48 and 30,291,507,657.28 is: 41,802,406,512.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012,227,739.61 : 77,297,107,166.48 = 30,291,507,657.28 : x
  2. Step 2: Convert to fraction form
    56,012,227,739.61/77,297,107,166.48 = 30,291,507,657.28/x
  3. Step 3: Cross multiply
    56,012,227,739.61x = 77,297,107,166.48 × 30,291,507,657.28
  4. Step 4: Simplify right side
    56,012,227,739.61x = 2,341,445,913,619,004,653,568
  5. Step 5: Solve for x
    x = 2,341,445,913,619,004,653,568/56,012,227,739.61
  6. Step 6: Final answer
    x = 41,802,406,512.09

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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.