Home / 1,284,337,850,100.40-1,772,419,824,333.50-698,421,963,717.12

Finding the Fourth Proportional to 1,284,337,850,100.40, 1,772,419,824,333.50 and 698,421,963,717.12

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Solution

The fourth proportional to 1,284,337,850,100.40, 1,772,419,824,333.50 and 698,421,963,717.12 is: 963,840,576,796.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,337,850,100.40 : 1,772,419,824,333.50 = 698,421,963,717.12 : x
  2. Step 2: Convert to fraction form
    1,284,337,850,100.40/1,772,419,824,333.50 = 698,421,963,717.12/x
  3. Step 3: Cross multiply
    1,284,337,850,100.40x = 1,772,419,824,333.50 × 698,421,963,717.12
  4. Step 4: Simplify right side
    1,284,337,850,100.40x = 1,237,896,934,242,155,803,705,344
  5. Step 5: Solve for x
    x = 1,237,896,934,242,155,803,705,344/1,284,337,850,100.40
  6. Step 6: Final answer
    x = 963,840,576,796.35

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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.