Home / 56,012,228,071.88-77,297,107,623.78-30,291,507,989.32

Finding the Fourth Proportional to 56,012,228,071.88, 77,297,107,623.78 and 30,291,507,989.32

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Solution

The fourth proportional to 56,012,228,071.88, 77,297,107,623.78 and 30,291,507,989.32 is: 41,802,406,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,012,228,071.88 : 77,297,107,623.78 = 30,291,507,989.32 : x
  2. Step 2: Convert to fraction form
    56,012,228,071.88/77,297,107,623.78 = 30,291,507,989.32/x
  3. Step 3: Cross multiply
    56,012,228,071.88x = 77,297,107,623.78 × 30,291,507,989.32
  4. Step 4: Simplify right side
    56,012,228,071.88x = 2,341,445,953,137,059,561,472
  5. Step 5: Solve for x
    x = 2,341,445,953,137,059,561,472/56,012,228,071.88
  6. Step 6: Final answer
    x = 41,802,406,969.64

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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.