Home / 395,791,314.45-546,191,802.18-217,176,375.60

Finding the Fourth Proportional to 395,791,314.45, 546,191,802.18 and 217,176,375.60

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Solution

The fourth proportional to 395,791,314.45, 546,191,802.18 and 217,176,375.60 is: 299,703,282.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,791,314.45 : 546,191,802.18 = 217,176,375.60 : x
  2. Step 2: Convert to fraction form
    395,791,314.45/546,191,802.18 = 217,176,375.60/x
  3. Step 3: Cross multiply
    395,791,314.45x = 546,191,802.18 × 217,176,375.60
  4. Step 4: Simplify right side
    395,791,314.45x = 118,619,955,979,884,560
  5. Step 5: Solve for x
    x = 118,619,955,979,884,560/395,791,314.45
  6. Step 6: Final answer
    x = 299,703,282.13

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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.