Home / 405,106,863.71-607,660,302.85-98,396,909.87

Finding the Fourth Proportional to 405,106,863.71, 607,660,302.85 and 98,396,909.87

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Solution

The fourth proportional to 405,106,863.71, 607,660,302.85 and 98,396,909.87 is: 147,595,366.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,106,863.71 : 607,660,302.85 = 98,396,909.87 : x
  2. Step 2: Convert to fraction form
    405,106,863.71/607,660,302.85 = 98,396,909.87/x
  3. Step 3: Cross multiply
    405,106,863.71x = 607,660,302.85 × 98,396,909.87
  4. Step 4: Simplify right side
    405,106,863.71x = 59,791,896,047,824,056
  5. Step 5: Solve for x
    x = 59,791,896,047,824,056/405,106,863.71
  6. Step 6: Final answer
    x = 147,595,366.57

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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.