Home / 405,106,864.21-607,660,303.60-98,396,910.37

Finding the Fourth Proportional to 405,106,864.21, 607,660,303.60 and 98,396,910.37

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Solution

The fourth proportional to 405,106,864.21, 607,660,303.60 and 98,396,910.37 is: 147,595,367.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,106,864.21 : 607,660,303.60 = 98,396,910.37 : x
  2. Step 2: Convert to fraction form
    405,106,864.21/607,660,303.60 = 98,396,910.37/x
  3. Step 3: Cross multiply
    405,106,864.21x = 607,660,303.60 × 98,396,910.37
  4. Step 4: Simplify right side
    405,106,864.21x = 59,791,896,425,697,888
  5. Step 5: Solve for x
    x = 59,791,896,425,697,888/405,106,864.21
  6. Step 6: Final answer
    x = 147,595,367.32

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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.