Home / 386,070,378.68-525,649,556.96-384,844,556.06

Finding the Fourth Proportional to 386,070,378.68, 525,649,556.96 and 384,844,556.06

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Solution

The fourth proportional to 386,070,378.68, 525,649,556.96 and 384,844,556.06 is: 523,980,552.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,070,378.68 : 525,649,556.96 = 384,844,556.06 : x
  2. Step 2: Convert to fraction form
    386,070,378.68/525,649,556.96 = 384,844,556.06/x
  3. Step 3: Cross multiply
    386,070,378.68x = 525,649,556.96 × 384,844,556.06
  4. Step 4: Simplify right side
    386,070,378.68x = 202,293,370,391,406,880
  5. Step 5: Solve for x
    x = 202,293,370,391,406,880/386,070,378.68
  6. Step 6: Final answer
    x = 523,980,552.67

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Why These Related Problems?

These problems maintain the same ratio (1.36) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.