Home / 405,009,023.76-607,509,106.92-98,301,136.62

Finding the Fourth Proportional to 405,009,023.76, 607,509,106.92 and 98,301,136.62

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Solution

The fourth proportional to 405,009,023.76, 607,509,106.92 and 98,301,136.62 is: 147,450,630.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,009,023.76 : 607,509,106.92 = 98,301,136.62 : x
  2. Step 2: Convert to fraction form
    405,009,023.76/607,509,106.92 = 98,301,136.62/x
  3. Step 3: Cross multiply
    405,009,023.76x = 607,509,106.92 × 98,301,136.62
  4. Step 4: Simplify right side
    405,009,023.76x = 59,718,835,717,237,104
  5. Step 5: Solve for x
    x = 59,718,835,717,237,104/405,009,023.76
  6. Step 6: Final answer
    x = 147,450,630.02

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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.