Home / 364,462,878,125.40-502,958,728,719.72-217,975,316,920.56

Finding the Fourth Proportional to 364,462,878,125.40, 502,958,728,719.72 and 217,975,316,920.56

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Solution

The fourth proportional to 364,462,878,125.40, 502,958,728,719.72 and 217,975,316,920.56 is: 300,805,911,577.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,462,878,125.40 : 502,958,728,719.72 = 217,975,316,920.56 : x
  2. Step 2: Convert to fraction form
    364,462,878,125.40/502,958,728,719.72 = 217,975,316,920.56/x
  3. Step 3: Cross multiply
    364,462,878,125.40x = 502,958,728,719.72 × 217,975,316,920.56
  4. Step 4: Simplify right side
    364,462,878,125.40x = 109,632,588,290,642,921,127,936
  5. Step 5: Solve for x
    x = 109,632,588,290,642,921,127,936/364,462,878,125.40
  6. Step 6: Final answer
    x = 300,805,911,577.43

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Double scale
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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.