Home / 405,009,018.39-607,509,098.88-98,301,131.27

Finding the Fourth Proportional to 405,009,018.39, 607,509,098.88 and 98,301,131.27

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Solution

The fourth proportional to 405,009,018.39, 607,509,098.88 and 98,301,131.27 is: 147,450,622.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,009,018.39 : 607,509,098.88 = 98,301,131.27 : x
  2. Step 2: Convert to fraction form
    405,009,018.39/607,509,098.88 = 98,301,131.27/x
  3. Step 3: Cross multiply
    405,009,018.39x = 607,509,098.88 × 98,301,131.27
  4. Step 4: Simplify right side
    405,009,018.39x = 59,718,831,676,722,288
  5. Step 5: Solve for x
    x = 59,718,831,676,722,288/405,009,018.39
  6. Step 6: Final answer
    x = 147,450,622.00

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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.