Home / 386,344,547.60-580,188,667.80-204,946,019.60

Finding the Fourth Proportional to 386,344,547.60, 580,188,667.80 and 204,946,019.60

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Solution

The fourth proportional to 386,344,547.60, 580,188,667.80 and 204,946,019.60 is: 307,775,426.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,344,547.60 : 580,188,667.80 = 204,946,019.60 : x
  2. Step 2: Convert to fraction form
    386,344,547.60/580,188,667.80 = 204,946,019.60/x
  3. Step 3: Cross multiply
    386,344,547.60x = 580,188,667.80 × 204,946,019.60
  4. Step 4: Simplify right side
    386,344,547.60x = 118,907,358,082,636,672
  5. Step 5: Solve for x
    x = 118,907,358,082,636,672/386,344,547.60
  6. Step 6: Final answer
    x = 307,775,426.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.