Home / 1,640,846,637.45-2,461,276,267.03-397,275,029.60

Finding the Fourth Proportional to 1,640,846,637.45, 2,461,276,267.03 and 397,275,029.60

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Solution

The fourth proportional to 1,640,846,637.45, 2,461,276,267.03 and 397,275,029.60 is: 595,914,072.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,640,846,637.45 : 2,461,276,267.03 = 397,275,029.60 : x
  2. Step 2: Convert to fraction form
    1,640,846,637.45/2,461,276,267.03 = 397,275,029.60/x
  3. Step 3: Cross multiply
    1,640,846,637.45x = 2,461,276,267.03 × 397,275,029.60
  4. Step 4: Simplify right side
    1,640,846,637.45x = 977,803,601,823,828,096
  5. Step 5: Solve for x
    x = 977,803,601,823,828,096/1,640,846,637.45
  6. Step 6: Final answer
    x = 595,914,072.35

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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.