Home / 804,821,631.60-1,207,232,447.40-437,489,612.40

Finding the Fourth Proportional to 804,821,631.60, 1,207,232,447.40 and 437,489,612.40

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Solution

The fourth proportional to 804,821,631.60, 1,207,232,447.40 and 437,489,612.40 is: 656,234,418.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,821,631.60 : 1,207,232,447.40 = 437,489,612.40 : x
  2. Step 2: Convert to fraction form
    804,821,631.60/1,207,232,447.40 = 437,489,612.40/x
  3. Step 3: Cross multiply
    804,821,631.60x = 1,207,232,447.40 × 437,489,612.40
  4. Step 4: Simplify right side
    804,821,631.60x = 528,151,655,489,729,408
  5. Step 5: Solve for x
    x = 528,151,655,489,729,408/804,821,631.60
  6. Step 6: Final answer
    x = 656,234,418.60

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1.5x scale

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.