Home / 379,008,547.84-523,035,401.76-222,378,319.36

Finding the Fourth Proportional to 379,008,547.84, 523,035,401.76 and 222,378,319.36

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Solution

The fourth proportional to 379,008,547.84, 523,035,401.76 and 222,378,319.36 is: 306,884,196.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,008,547.84 : 523,035,401.76 = 222,378,319.36 : x
  2. Step 2: Convert to fraction form
    379,008,547.84/523,035,401.76 = 222,378,319.36/x
  3. Step 3: Cross multiply
    379,008,547.84x = 523,035,401.76 × 222,378,319.36
  4. Step 4: Simplify right side
    379,008,547.84x = 116,311,733,609,171,184
  5. Step 5: Solve for x
    x = 116,311,733,609,171,184/379,008,547.84
  6. Step 6: Final answer
    x = 306,884,196.34

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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.