Home / 468,407,011,181.48-646,163,780,019.17-305,921,768,474.74

Finding the Fourth Proportional to 468,407,011,181.48, 646,163,780,019.17 and 305,921,768,474.74

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Solution

The fourth proportional to 468,407,011,181.48, 646,163,780,019.17 and 305,921,768,474.74 is: 422,016,668,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,407,011,181.48 : 646,163,780,019.17 = 305,921,768,474.74 : x
  2. Step 2: Convert to fraction form
    468,407,011,181.48/646,163,780,019.17 = 305,921,768,474.74/x
  3. Step 3: Cross multiply
    468,407,011,181.48x = 646,163,780,019.17 × 305,921,768,474.74
  4. Step 4: Simplify right side
    468,407,011,181.48x = 197,675,566,307,787,344,445,440
  5. Step 5: Solve for x
    x = 197,675,566,307,787,344,445,440/468,407,011,181.48
  6. Step 6: Final answer
    x = 422,016,668,386.72

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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.