Home / 12,938,259,085.35-19,407,388,628.03-12,430,343,206.95

Finding the Fourth Proportional to 12,938,259,085.35, 19,407,388,628.03 and 12,430,343,206.95

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Solution

The fourth proportional to 12,938,259,085.35, 19,407,388,628.03 and 12,430,343,206.95 is: 18,645,514,810.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,938,259,085.35 : 19,407,388,628.03 = 12,430,343,206.95 : x
  2. Step 2: Convert to fraction form
    12,938,259,085.35/19,407,388,628.03 = 12,430,343,206.95/x
  3. Step 3: Cross multiply
    12,938,259,085.35x = 19,407,388,628.03 × 12,430,343,206.95
  4. Step 4: Simplify right side
    12,938,259,085.35x = 241,240,501,397,009,268,736
  5. Step 5: Solve for x
    x = 241,240,501,397,009,268,736/12,938,259,085.35
  6. Step 6: Final answer
    x = 18,645,514,810.43

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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.