Home / 1,636,934,139.44-2,455,365,757.20-456,483,121.76

Finding the Fourth Proportional to 1,636,934,139.44, 2,455,365,757.20 and 456,483,121.76

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Solution

The fourth proportional to 1,636,934,139.44, 2,455,365,757.20 and 456,483,121.76 is: 684,714,796.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,934,139.44 : 2,455,365,757.20 = 456,483,121.76 : x
  2. Step 2: Convert to fraction form
    1,636,934,139.44/2,455,365,757.20 = 456,483,121.76/x
  3. Step 3: Cross multiply
    1,636,934,139.44x = 2,455,365,757.20 × 456,483,121.76
  4. Step 4: Simplify right side
    1,636,934,139.44x = 1,120,833,025,909,262,080
  5. Step 5: Solve for x
    x = 1,120,833,025,909,262,080/1,636,934,139.44
  6. Step 6: Final answer
    x = 684,714,796.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.