Home / 262,528,534.80-393,792,802.20-185,938,045.20

Finding the Fourth Proportional to 262,528,534.80, 393,792,802.20 and 185,938,045.20

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Solution

The fourth proportional to 262,528,534.80, 393,792,802.20 and 185,938,045.20 is: 278,907,067.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,528,534.80 : 393,792,802.20 = 185,938,045.20 : x
  2. Step 2: Convert to fraction form
    262,528,534.80/393,792,802.20 = 185,938,045.20/x
  3. Step 3: Cross multiply
    262,528,534.80x = 393,792,802.20 × 185,938,045.20
  4. Step 4: Simplify right side
    262,528,534.80x = 73,221,063,854,898,256
  5. Step 5: Solve for x
    x = 73,221,063,854,898,256/262,528,534.80
  6. Step 6: Final answer
    x = 278,907,067.80

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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.