Home / 343,918,019,159.53-474,608,299,973.67-189,590,308,322.64

Finding the Fourth Proportional to 343,918,019,159.53, 474,608,299,973.67 and 189,590,308,322.64

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Solution

The fourth proportional to 343,918,019,159.53, 474,608,299,973.67 and 189,590,308,322.64 is: 261,635,415,743.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,918,019,159.53 : 474,608,299,973.67 = 189,590,308,322.64 : x
  2. Step 2: Convert to fraction form
    343,918,019,159.53/474,608,299,973.67 = 189,590,308,322.64/x
  3. Step 3: Cross multiply
    343,918,019,159.53x = 474,608,299,973.67 × 189,590,308,322.64
  4. Step 4: Simplify right side
    343,918,019,159.53x = 89,981,133,924,492,113,870,848
  5. Step 5: Solve for x
    x = 89,981,133,924,492,113,870,848/343,918,019,159.53
  6. Step 6: Final answer
    x = 261,635,415,743.52

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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.