Home / 405,009,017.39-607,509,097.38-98,301,130.27

Finding the Fourth Proportional to 405,009,017.39, 607,509,097.38 and 98,301,130.27

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Solution

The fourth proportional to 405,009,017.39, 607,509,097.38 and 98,301,130.27 is: 147,450,620.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,009,017.39 : 607,509,097.38 = 98,301,130.27 : x
  2. Step 2: Convert to fraction form
    405,009,017.39/607,509,097.38 = 98,301,130.27/x
  3. Step 3: Cross multiply
    405,009,017.39x = 607,509,097.38 × 98,301,130.27
  4. Step 4: Simplify right side
    405,009,017.39x = 59,718,830,920,242,720
  5. Step 5: Solve for x
    x = 59,718,830,920,242,720/405,009,017.39
  6. Step 6: Final answer
    x = 147,450,620.49

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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.