Home / 751,257,400.49-1,126,886,135.77-514,673,630.79

Finding the Fourth Proportional to 751,257,400.49, 1,126,886,135.77 and 514,673,630.79

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Solution

The fourth proportional to 751,257,400.49, 1,126,886,135.77 and 514,673,630.79 is: 772,010,470.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    751,257,400.49 : 1,126,886,135.77 = 514,673,630.79 : x
  2. Step 2: Convert to fraction form
    751,257,400.49/1,126,886,135.77 = 514,673,630.79/x
  3. Step 3: Cross multiply
    751,257,400.49x = 1,126,886,135.77 × 514,673,630.79
  4. Step 4: Simplify right side
    751,257,400.49x = 579,978,578,978,024,320
  5. Step 5: Solve for x
    x = 579,978,578,978,024,320/751,257,400.49
  6. Step 6: Final answer
    x = 772,010,470.18

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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.