Home / 785,285,259.44-1,083,742,143.72-432,860,456.48

Finding the Fourth Proportional to 785,285,259.44, 1,083,742,143.72 and 432,860,456.48

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Solution

The fourth proportional to 785,285,259.44, 1,083,742,143.72 and 432,860,456.48 is: 597,374,155.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,285,259.44 : 1,083,742,143.72 = 432,860,456.48 : x
  2. Step 2: Convert to fraction form
    785,285,259.44/1,083,742,143.72 = 432,860,456.48/x
  3. Step 3: Cross multiply
    785,285,259.44x = 1,083,742,143.72 × 432,860,456.48
  4. Step 4: Simplify right side
    785,285,259.44x = 469,109,119,037,252,992
  5. Step 5: Solve for x
    x = 469,109,119,037,252,992/785,285,259.44
  6. Step 6: Final answer
    x = 597,374,155.95

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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.