Home / 911,446,985.40-1,367,207,802.90-265,214,729.40

Finding the Fourth Proportional to 911,446,985.40, 1,367,207,802.90 and 265,214,729.40

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Solution

The fourth proportional to 911,446,985.40, 1,367,207,802.90 and 265,214,729.40 is: 397,832,954.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,446,985.40 : 1,367,207,802.90 = 265,214,729.40 : x
  2. Step 2: Convert to fraction form
    911,446,985.40/1,367,207,802.90 = 265,214,729.40/x
  3. Step 3: Cross multiply
    911,446,985.40x = 1,367,207,802.90 × 265,214,729.40
  4. Step 4: Simplify right side
    911,446,985.40x = 362,603,647,479,692,096
  5. Step 5: Solve for x
    x = 362,603,647,479,692,096/911,446,985.40
  6. Step 6: Final answer
    x = 397,832,954.95

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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.