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Finding the Fourth Proportional to 522,496,615.97, 783,818,547.43 and 167,851,980.52

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Solution

The fourth proportional to 522,496,615.97, 783,818,547.43 and 167,851,980.52 is: 251,801,622.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,496,615.97 : 783,818,547.43 = 167,851,980.52 : x
  2. Step 2: Convert to fraction form
    522,496,615.97/783,818,547.43 = 167,851,980.52/x
  3. Step 3: Cross multiply
    522,496,615.97x = 783,818,547.43 × 167,851,980.52
  4. Step 4: Simplify right side
    522,496,615.97x = 131,565,495,556,744,928
  5. Step 5: Solve for x
    x = 131,565,495,556,744,928/522,496,615.97
  6. Step 6: Final answer
    x = 251,801,622.32

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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.