Home / 2,985,983,999.90-4,478,975,999.85-2,877,144,883.10

Finding the Fourth Proportional to 2,985,983,999.90, 4,478,975,999.85 and 2,877,144,883.10

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Solution

The fourth proportional to 2,985,983,999.90, 4,478,975,999.85 and 2,877,144,883.10 is: 4,315,717,324.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,985,983,999.90 : 4,478,975,999.85 = 2,877,144,883.10 : x
  2. Step 2: Convert to fraction form
    2,985,983,999.90/4,478,975,999.85 = 2,877,144,883.10/x
  3. Step 3: Cross multiply
    2,985,983,999.90x = 4,478,975,999.85 × 2,877,144,883.10
  4. Step 4: Simplify right side
    2,985,983,999.90x = 12,886,662,879,496,134,656
  5. Step 5: Solve for x
    x = 12,886,662,879,496,134,656/2,985,983,999.90
  6. Step 6: Final answer
    x = 4,315,717,324.65

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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.