Home / 885,354,114.48-1,221,896,400.66-514,076,144.64

Finding the Fourth Proportional to 885,354,114.48, 1,221,896,400.66 and 514,076,144.64

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Solution

The fourth proportional to 885,354,114.48, 1,221,896,400.66 and 514,076,144.64 is: 709,487,628.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,354,114.48 : 1,221,896,400.66 = 514,076,144.64 : x
  2. Step 2: Convert to fraction form
    885,354,114.48/1,221,896,400.66 = 514,076,144.64/x
  3. Step 3: Cross multiply
    885,354,114.48x = 1,221,896,400.66 × 514,076,144.64
  4. Step 4: Simplify right side
    885,354,114.48x = 628,147,790,800,785,536
  5. Step 5: Solve for x
    x = 628,147,790,800,785,536/885,354,114.48
  6. Step 6: Final answer
    x = 709,487,628.20

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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.