Home / 1,638,263,794.50-2,457,126,649.44-705,335,477.36

Finding the Fourth Proportional to 1,638,263,794.50, 2,457,126,649.44 and 705,335,477.36

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Solution

The fourth proportional to 1,638,263,794.50, 2,457,126,649.44 and 705,335,477.36 is: 1,057,887,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,263,794.50 : 2,457,126,649.44 = 705,335,477.36 : x
  2. Step 2: Convert to fraction form
    1,638,263,794.50/2,457,126,649.44 = 705,335,477.36/x
  3. Step 3: Cross multiply
    1,638,263,794.50x = 2,457,126,649.44 × 705,335,477.36
  4. Step 4: Simplify right side
    1,638,263,794.50x = 1,733,098,598,216,739,840
  5. Step 5: Solve for x
    x = 1,733,098,598,216,739,840/1,638,263,794.50
  6. Step 6: Final answer
    x = 1,057,887,382.99

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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.