Home / 785,285,262.44-1,083,742,147.86-432,860,459.48

Finding the Fourth Proportional to 785,285,262.44, 1,083,742,147.86 and 432,860,459.48

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Solution

The fourth proportional to 785,285,262.44, 1,083,742,147.86 and 432,860,459.48 is: 597,374,160.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,285,262.44 : 1,083,742,147.86 = 432,860,459.48 : x
  2. Step 2: Convert to fraction form
    785,285,262.44/1,083,742,147.86 = 432,860,459.48/x
  3. Step 3: Cross multiply
    785,285,262.44x = 1,083,742,147.86 × 432,860,459.48
  4. Step 4: Simplify right side
    785,285,262.44x = 469,109,124,080,521,664
  5. Step 5: Solve for x
    x = 469,109,124,080,521,664/785,285,262.44
  6. Step 6: Final answer
    x = 597,374,160.09

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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.