Home / 1,284,337,850,068.20-1,772,419,824,289-698,421,963,684.75

Finding the Fourth Proportional to 1,284,337,850,068.20, 1,772,419,824,289 and 698,421,963,684.75

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Solution

The fourth proportional to 1,284,337,850,068.20, 1,772,419,824,289 and 698,421,963,684.75 is: 963,840,576,751.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,337,850,068.20 : 1,772,419,824,289 = 698,421,963,684.75 : x
  2. Step 2: Convert to fraction form
    1,284,337,850,068.20/1,772,419,824,289 = 698,421,963,684.75/x
  3. Step 3: Cross multiply
    1,284,337,850,068.20x = 1,772,419,824,289 × 698,421,963,684.75
  4. Step 4: Simplify right side
    1,284,337,850,068.20x = 1,237,896,934,153,702,831,292,416
  5. Step 5: Solve for x
    x = 1,237,896,934,153,702,831,292,416/1,284,337,850,068.20
  6. Step 6: Final answer
    x = 963,840,576,751.65

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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.