Home / 1,309,952,984,590.40-1,964,969,507,038.20-449,415,083,086.50

Finding the Fourth Proportional to 1,309,952,984,590.40, 1,964,969,507,038.20 and 449,415,083,086.50

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Solution

The fourth proportional to 1,309,952,984,590.40, 1,964,969,507,038.20 and 449,415,083,086.50 is: 674,136,358,064.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,952,984,590.40 : 1,964,969,507,038.20 = 449,415,083,086.50 : x
  2. Step 2: Convert to fraction form
    1,309,952,984,590.40/1,964,969,507,038.20 = 449,415,083,086.50/x
  3. Step 3: Cross multiply
    1,309,952,984,590.40x = 1,964,969,507,038.20 × 449,415,083,086.50
  4. Step 4: Simplify right side
    1,309,952,984,590.40x = 883,086,934,268,011,568,168,960
  5. Step 5: Solve for x
    x = 883,086,934,268,011,568,168,960/1,309,952,984,590.40
  6. Step 6: Final answer
    x = 674,136,358,064.90

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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.