Home / 15,185,953,256.48-20,956,613,698.38-9,082,304,872.94

Finding the Fourth Proportional to 15,185,953,256.48, 20,956,613,698.38 and 9,082,304,872.94

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Solution

The fourth proportional to 15,185,953,256.48, 20,956,613,698.38 and 9,082,304,872.94 is: 12,533,579,650.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,185,953,256.48 : 20,956,613,698.38 = 9,082,304,872.94 : x
  2. Step 2: Convert to fraction form
    15,185,953,256.48/20,956,613,698.38 = 9,082,304,872.94/x
  3. Step 3: Cross multiply
    15,185,953,256.48x = 20,956,613,698.38 × 9,082,304,872.94
  4. Step 4: Simplify right side
    15,185,953,256.48x = 190,334,354,713,117,851,648
  5. Step 5: Solve for x
    x = 190,334,354,713,117,851,648/15,185,953,256.48
  6. Step 6: Final answer
    x = 12,533,579,650.78

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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.