Home / 804,821,349.60-1,207,232,024.40-437,489,330.40

Finding the Fourth Proportional to 804,821,349.60, 1,207,232,024.40 and 437,489,330.40

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Solution

The fourth proportional to 804,821,349.60, 1,207,232,024.40 and 437,489,330.40 is: 656,233,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,821,349.60 : 1,207,232,024.40 = 437,489,330.40 : x
  2. Step 2: Convert to fraction form
    804,821,349.60/1,207,232,024.40 = 437,489,330.40/x
  3. Step 3: Cross multiply
    804,821,349.60x = 1,207,232,024.40 × 437,489,330.40
  4. Step 4: Simplify right side
    804,821,349.60x = 528,151,129,992,192,448
  5. Step 5: Solve for x
    x = 528,151,129,992,192,448/804,821,349.60
  6. Step 6: Final answer
    x = 656,233,995.60

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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.