Home / 12,938,259,074.10-19,407,388,611.15-12,430,343,195.70

Finding the Fourth Proportional to 12,938,259,074.10, 19,407,388,611.15 and 12,430,343,195.70

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Solution

The fourth proportional to 12,938,259,074.10, 19,407,388,611.15 and 12,430,343,195.70 is: 18,645,514,793.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,259,074.10 : 19,407,388,611.15 = 12,430,343,195.70 : x
  2. Step 2: Convert to fraction form
    12,938,259,074.10/19,407,388,611.15 = 12,430,343,195.70/x
  3. Step 3: Cross multiply
    12,938,259,074.10x = 19,407,388,611.15 × 12,430,343,195.70
  4. Step 4: Simplify right side
    12,938,259,074.10x = 241,240,500,968,914,124,800
  5. Step 5: Solve for x
    x = 241,240,500,968,914,124,800/12,938,259,074.10
  6. Step 6: Final answer
    x = 18,645,514,793.55

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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.