Home / 804,821,343.10-1,207,232,014.65-437,489,323.90

Finding the Fourth Proportional to 804,821,343.10, 1,207,232,014.65 and 437,489,323.90

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Solution

The fourth proportional to 804,821,343.10, 1,207,232,014.65 and 437,489,323.90 is: 656,233,985.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,821,343.10 : 1,207,232,014.65 = 437,489,323.90 : x
  2. Step 2: Convert to fraction form
    804,821,343.10/1,207,232,014.65 = 437,489,323.90/x
  3. Step 3: Cross multiply
    804,821,343.10x = 1,207,232,014.65 × 437,489,323.90
  4. Step 4: Simplify right side
    804,821,343.10x = 528,151,117,879,663,424
  5. Step 5: Solve for x
    x = 528,151,117,879,663,424/804,821,343.10
  6. Step 6: Final answer
    x = 656,233,985.85

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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.