Home / 14,919,609,078.78-20,598,354,090.18-9,497,205,326.78

Finding the Fourth Proportional to 14,919,609,078.78, 20,598,354,090.18 and 9,497,205,326.78

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Solution

The fourth proportional to 14,919,609,078.78, 20,598,354,090.18 and 9,497,205,326.78 is: 13,112,059,247.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,919,609,078.78 : 20,598,354,090.18 = 9,497,205,326.78 : x
  2. Step 2: Convert to fraction form
    14,919,609,078.78/20,598,354,090.18 = 9,497,205,326.78/x
  3. Step 3: Cross multiply
    14,919,609,078.78x = 20,598,354,090.18 × 9,497,205,326.78
  4. Step 4: Simplify right side
    14,919,609,078.78x = 195,626,798,188,131,319,808
  5. Step 5: Solve for x
    x = 195,626,798,188,131,319,808/14,919,609,078.78
  6. Step 6: Final answer
    x = 13,112,059,247.34

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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.