Home / 262,440,155.40-393,660,233.10-247,323,611.40

Finding the Fourth Proportional to 262,440,155.40, 393,660,233.10 and 247,323,611.40

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Solution

The fourth proportional to 262,440,155.40, 393,660,233.10 and 247,323,611.40 is: 370,985,417.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,440,155.40 : 393,660,233.10 = 247,323,611.40 : x
  2. Step 2: Convert to fraction form
    262,440,155.40/393,660,233.10 = 247,323,611.40/x
  3. Step 3: Cross multiply
    262,440,155.40x = 393,660,233.10 × 247,323,611.40
  4. Step 4: Simplify right side
    262,440,155.40x = 97,361,470,514,857,824
  5. Step 5: Solve for x
    x = 97,361,470,514,857,824/262,440,155.40
  6. Step 6: Final answer
    x = 370,985,417.10

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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.