Home / 661,238,284.44-991,859,466.28-163,248,856.40

Finding the Fourth Proportional to 661,238,284.44, 991,859,466.28 and 163,248,856.40

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Solution

The fourth proportional to 661,238,284.44, 991,859,466.28 and 163,248,856.40 is: 244,873,788.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,238,284.44 : 991,859,466.28 = 163,248,856.40 : x
  2. Step 2: Convert to fraction form
    661,238,284.44/991,859,466.28 = 163,248,856.40/x
  3. Step 3: Cross multiply
    661,238,284.44x = 991,859,466.28 × 163,248,856.40
  4. Step 4: Simplify right side
    661,238,284.44x = 161,919,923,579,724,352
  5. Step 5: Solve for x
    x = 161,919,923,579,724,352/661,238,284.44
  6. Step 6: Final answer
    x = 244,873,788.15

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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.