Home / 364,462,878,128.40-502,958,728,723.86-217,975,316,923.56

Finding the Fourth Proportional to 364,462,878,128.40, 502,958,728,723.86 and 217,975,316,923.56

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Solution

The fourth proportional to 364,462,878,128.40, 502,958,728,723.86 and 217,975,316,923.56 is: 300,805,911,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,462,878,128.40 : 502,958,728,723.86 = 217,975,316,923.56 : x
  2. Step 2: Convert to fraction form
    364,462,878,128.40/502,958,728,723.86 = 217,975,316,923.56/x
  3. Step 3: Cross multiply
    364,462,878,128.40x = 502,958,728,723.86 × 217,975,316,923.56
  4. Step 4: Simplify right side
    364,462,878,128.40x = 109,632,588,293,054,226,497,536
  5. Step 5: Solve for x
    x = 109,632,588,293,054,226,497,536/364,462,878,128.40
  6. Step 6: Final answer
    x = 300,805,911,581.57

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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.