Home / 1,277,749,956.02-1,912,697,446.64-1,089,250,929.29

Finding the Fourth Proportional to 1,277,749,956.02, 1,912,697,446.64 and 1,089,250,929.29

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Solution

The fourth proportional to 1,277,749,956.02, 1,912,697,446.64 and 1,089,250,929.29 is: 1,630,528,305.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,749,956.02 : 1,912,697,446.64 = 1,089,250,929.29 : x
  2. Step 2: Convert to fraction form
    1,277,749,956.02/1,912,697,446.64 = 1,089,250,929.29/x
  3. Step 3: Cross multiply
    1,277,749,956.02x = 1,912,697,446.64 × 1,089,250,929.29
  4. Step 4: Simplify right side
    1,277,749,956.02x = 2,083,407,471,203,230,208
  5. Step 5: Solve for x
    x = 2,083,407,471,203,230,208/1,277,749,956.02
  6. Step 6: Final answer
    x = 1,630,528,305.94

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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.