Home / 911,446,998.90-1,367,207,823.15-265,214,742.90

Finding the Fourth Proportional to 911,446,998.90, 1,367,207,823.15 and 265,214,742.90

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Solution

The fourth proportional to 911,446,998.90, 1,367,207,823.15 and 265,214,742.90 is: 397,832,975.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,446,998.90 : 1,367,207,823.15 = 265,214,742.90 : x
  2. Step 2: Convert to fraction form
    911,446,998.90/1,367,207,823.15 = 265,214,742.90/x
  3. Step 3: Cross multiply
    911,446,998.90x = 1,367,207,823.15 × 265,214,742.90
  4. Step 4: Simplify right side
    911,446,998.90x = 362,603,671,307,595,968
  5. Step 5: Solve for x
    x = 362,603,671,307,595,968/911,446,998.90
  6. Step 6: Final answer
    x = 397,832,975.20

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1.5x scale

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.