Home / 612,934,127.20-845,867,074.80-334,493,630.56

Finding the Fourth Proportional to 612,934,127.20, 845,867,074.80 and 334,493,630.56

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Solution

The fourth proportional to 612,934,127.20, 845,867,074.80 and 334,493,630.56 is: 461,611,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,934,127.20 : 845,867,074.80 = 334,493,630.56 : x
  2. Step 2: Convert to fraction form
    612,934,127.20/845,867,074.80 = 334,493,630.56/x
  3. Step 3: Cross multiply
    612,934,127.20x = 845,867,074.80 × 334,493,630.56
  4. Step 4: Simplify right side
    612,934,127.20x = 282,937,148,821,019,072
  5. Step 5: Solve for x
    x = 282,937,148,821,019,072/612,934,127.20
  6. Step 6: Final answer
    x = 461,611,021.91

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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.