Home / 612,584,211.58-845,437,681.28-348,305,802.97

Finding the Fourth Proportional to 612,584,211.58, 845,437,681.28 and 348,305,802.97

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Solution

The fourth proportional to 612,584,211.58, 845,437,681.28 and 348,305,802.97 is: 480,702,644.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,584,211.58 : 845,437,681.28 = 348,305,802.97 : x
  2. Step 2: Convert to fraction form
    612,584,211.58/845,437,681.28 = 348,305,802.97/x
  3. Step 3: Cross multiply
    612,584,211.58x = 845,437,681.28 × 348,305,802.97
  4. Step 4: Simplify right side
    612,584,211.58x = 294,470,850,439,325,376
  5. Step 5: Solve for x
    x = 294,470,850,439,325,376/612,584,211.58
  6. Step 6: Final answer
    x = 480,702,644.42

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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.