Home / 1,997,492,016.40-2,995,494,811.80-687,026,237.20

Finding the Fourth Proportional to 1,997,492,016.40, 2,995,494,811.80 and 687,026,237.20

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Solution

The fourth proportional to 1,997,492,016.40, 2,995,494,811.80 and 687,026,237.20 is: 1,030,283,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,997,492,016.40 : 2,995,494,811.80 = 687,026,237.20 : x
  2. Step 2: Convert to fraction form
    1,997,492,016.40/2,995,494,811.80 = 687,026,237.20/x
  3. Step 3: Cross multiply
    1,997,492,016.40x = 2,995,494,811.80 × 687,026,237.20
  4. Step 4: Simplify right side
    1,997,492,016.40x = 2,057,983,529,103,076,352
  5. Step 5: Solve for x
    x = 2,057,983,529,103,076,352/1,997,492,016.40
  6. Step 6: Final answer
    x = 1,030,283,731.90

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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.