Home / 21,174,932,021.40-31,763,592,425.70-6,453,433,704.60

Finding the Fourth Proportional to 21,174,932,021.40, 31,763,592,425.70 and 6,453,433,704.60

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Solution

The fourth proportional to 21,174,932,021.40, 31,763,592,425.70 and 6,453,433,704.60 is: 9,680,514,569.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,174,932,021.40 : 31,763,592,425.70 = 6,453,433,704.60 : x
  2. Step 2: Convert to fraction form
    21,174,932,021.40/31,763,592,425.70 = 6,453,433,704.60/x
  3. Step 3: Cross multiply
    21,174,932,021.40x = 31,763,592,425.70 × 6,453,433,704.60
  4. Step 4: Simplify right side
    21,174,932,021.40x = 204,984,237,939,189,678,080
  5. Step 5: Solve for x
    x = 204,984,237,939,189,678,080/21,174,932,021.40
  6. Step 6: Final answer
    x = 9,680,514,569.40

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1.5x scale

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.