Home / 30,581,777,159.32-42,204,973,569.06-18,539,295,559.24

Finding the Fourth Proportional to 30,581,777,159.32, 42,204,973,569.06 and 18,539,295,559.24

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Solution

The fourth proportional to 30,581,777,159.32, 42,204,973,569.06 and 18,539,295,559.24 is: 25,585,513,719.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581,777,159.32 : 42,204,973,569.06 = 18,539,295,559.24 : x
  2. Step 2: Convert to fraction form
    30,581,777,159.32/42,204,973,569.06 = 18,539,295,559.24/x
  3. Step 3: Cross multiply
    30,581,777,159.32x = 42,204,973,569.06 × 18,539,295,559.24
  4. Step 4: Simplify right side
    30,581,777,159.32x = 782,450,479,066,715,652,096
  5. Step 5: Solve for x
    x = 782,450,479,066,715,652,096/30,581,777,159.32
  6. Step 6: Final answer
    x = 25,585,513,719.18

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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.