Home / 751,257,406.10-1,126,886,144.21-514,673,636.40

Finding the Fourth Proportional to 751,257,406.10, 1,126,886,144.21 and 514,673,636.40

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Solution

The fourth proportional to 751,257,406.10, 1,126,886,144.21 and 514,673,636.40 is: 772,010,478.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257,406.10 : 1,126,886,144.21 = 514,673,636.40 : x
  2. Step 2: Convert to fraction form
    751,257,406.10/1,126,886,144.21 = 514,673,636.40/x
  3. Step 3: Cross multiply
    751,257,406.10x = 1,126,886,144.21 × 514,673,636.40
  4. Step 4: Simplify right side
    751,257,406.10x = 579,978,589,646,442,368
  5. Step 5: Solve for x
    x = 579,978,589,646,442,368/751,257,406.10
  6. Step 6: Final answer
    x = 772,010,478.61

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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.