Home / 1,634,749,642.15-2,453,076,157.23-689,288,423.02

Finding the Fourth Proportional to 1,634,749,642.15, 2,453,076,157.23 and 689,288,423.02

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Solution

The fourth proportional to 1,634,749,642.15, 2,453,076,157.23 and 689,288,423.02 is: 1,034,333,914.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634,749,642.15 : 2,453,076,157.23 = 689,288,423.02 : x
  2. Step 2: Convert to fraction form
    1,634,749,642.15/2,453,076,157.23 = 689,288,423.02/x
  3. Step 3: Cross multiply
    1,634,749,642.15x = 2,453,076,157.23 × 689,288,423.02
  4. Step 4: Simplify right side
    1,634,749,642.15x = 1,690,876,995,958,846,464
  5. Step 5: Solve for x
    x = 1,690,876,995,958,846,464/1,634,749,642.15
  6. Step 6: Final answer
    x = 1,034,333,914.11

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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.