Home / 886,395,564.36-1,223,187,879.06-489,898,050.12

Finding the Fourth Proportional to 886,395,564.36, 1,223,187,879.06 and 489,898,050.12

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Solution

The fourth proportional to 886,395,564.36, 1,223,187,879.06 and 489,898,050.12 is: 676,038,307.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,395,564.36 : 1,223,187,879.06 = 489,898,050.12 : x
  2. Step 2: Convert to fraction form
    886,395,564.36/1,223,187,879.06 = 489,898,050.12/x
  3. Step 3: Cross multiply
    886,395,564.36x = 1,223,187,879.06 × 489,898,050.12
  4. Step 4: Simplify right side
    886,395,564.36x = 599,237,356,881,912,320
  5. Step 5: Solve for x
    x = 599,237,356,881,912,320/886,395,564.36
  6. Step 6: Final answer
    x = 676,038,307.25

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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.