Home / 612,931,743.76-845,863,670.64-334,491,203.20

Finding the Fourth Proportional to 612,931,743.76, 845,863,670.64 and 334,491,203.20

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Solution

The fourth proportional to 612,931,743.76, 845,863,670.64 and 334,491,203.20 is: 461,607,609.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,931,743.76 : 845,863,670.64 = 334,491,203.20 : x
  2. Step 2: Convert to fraction form
    612,931,743.76/845,863,670.64 = 334,491,203.20/x
  3. Step 3: Cross multiply
    612,931,743.76x = 845,863,670.64 × 334,491,203.20
  4. Step 4: Simplify right side
    612,931,743.76x = 282,933,956,935,542,112
  5. Step 5: Solve for x
    x = 282,933,956,935,542,112/612,931,743.76
  6. Step 6: Final answer
    x = 461,607,609.36

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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.