Home / 1,620,162,322.20-2,430,243,483.30-1,556,672,837.40

Finding the Fourth Proportional to 1,620,162,322.20, 2,430,243,483.30 and 1,556,672,837.40

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Solution

The fourth proportional to 1,620,162,322.20, 2,430,243,483.30 and 1,556,672,837.40 is: 2,335,009,256.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,620,162,322.20 : 2,430,243,483.30 = 1,556,672,837.40 : x
  2. Step 2: Convert to fraction form
    1,620,162,322.20/2,430,243,483.30 = 1,556,672,837.40/x
  3. Step 3: Cross multiply
    1,620,162,322.20x = 2,430,243,483.30 × 1,556,672,837.40
  4. Step 4: Simplify right side
    1,620,162,322.20x = 3,783,094,018,721,470,976
  5. Step 5: Solve for x
    x = 3,783,094,018,721,470,976/1,620,162,322.20
  6. Step 6: Final answer
    x = 2,335,009,256.10

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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.