Home / 1,157,114,789.32-1,596,830,138.58-628,483,883.08

Finding the Fourth Proportional to 1,157,114,789.32, 1,596,830,138.58 and 628,483,883.08

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Solution

The fourth proportional to 1,157,114,789.32, 1,596,830,138.58 and 628,483,883.08 is: 867,314,129.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,114,789.32 : 1,596,830,138.58 = 628,483,883.08 : x
  2. Step 2: Convert to fraction form
    1,157,114,789.32/1,596,830,138.58 = 628,483,883.08/x
  3. Step 3: Cross multiply
    1,157,114,789.32x = 1,596,830,138.58 × 628,483,883.08
  4. Step 4: Simplify right side
    1,157,114,789.32x = 1,003,582,006,113,932,928
  5. Step 5: Solve for x
    x = 1,003,582,006,113,932,928/1,157,114,789.32
  6. Step 6: Final answer
    x = 867,314,129.40

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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.