Home / 612,584,211.33-845,437,680.93-348,305,802.73

Finding the Fourth Proportional to 612,584,211.33, 845,437,680.93 and 348,305,802.73

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Solution

The fourth proportional to 612,584,211.33, 845,437,680.93 and 348,305,802.73 is: 480,702,644.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,584,211.33 : 845,437,680.93 = 348,305,802.73 : x
  2. Step 2: Convert to fraction form
    612,584,211.33/845,437,680.93 = 348,305,802.73/x
  3. Step 3: Cross multiply
    612,584,211.33x = 845,437,680.93 × 348,305,802.73
  4. Step 4: Simplify right side
    612,584,211.33x = 294,470,850,114,513,280
  5. Step 5: Solve for x
    x = 294,470,850,114,513,280/612,584,211.33
  6. Step 6: Final answer
    x = 480,702,644.09

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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.