Home / 13,885,556,672.03-19,161,742,298.22-8,170,211,280.47

Finding the Fourth Proportional to 13,885,556,672.03, 19,161,742,298.22 and 8,170,211,280.47

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Solution

The fourth proportional to 13,885,556,672.03, 19,161,742,298.22 and 8,170,211,280.47 is: 11,274,699,803.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,885,556,672.03 : 19,161,742,298.22 = 8,170,211,280.47 : x
  2. Step 2: Convert to fraction form
    13,885,556,672.03/19,161,742,298.22 = 8,170,211,280.47/x
  3. Step 3: Cross multiply
    13,885,556,672.03x = 19,161,742,298.22 × 8,170,211,280.47
  4. Step 4: Simplify right side
    13,885,556,672.03x = 156,555,483,078,350,241,792
  5. Step 5: Solve for x
    x = 156,555,483,078,350,241,792/13,885,556,672.03
  6. Step 6: Final answer
    x = 11,274,699,803.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.