Home / 65,898,688,637.70-98,848,032,956.55-21,730,414,551.30

Finding the Fourth Proportional to 65,898,688,637.70, 98,848,032,956.55 and 21,730,414,551.30

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Solution

The fourth proportional to 65,898,688,637.70, 98,848,032,956.55 and 21,730,414,551.30 is: 32,595,621,826.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,898,688,637.70 : 98,848,032,956.55 = 21,730,414,551.30 : x
  2. Step 2: Convert to fraction form
    65,898,688,637.70/98,848,032,956.55 = 21,730,414,551.30/x
  3. Step 3: Cross multiply
    65,898,688,637.70x = 98,848,032,956.55 × 21,730,414,551.30
  4. Step 4: Simplify right side
    65,898,688,637.70x = 2,148,008,733,726,396,121,088
  5. Step 5: Solve for x
    x = 2,148,008,733,726,396,121,088/65,898,688,637.70
  6. Step 6: Final answer
    x = 32,595,621,826.95

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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.