Home / 804,820,118.40-1,207,230,177.60-396,673,430.40

Finding the Fourth Proportional to 804,820,118.40, 1,207,230,177.60 and 396,673,430.40

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Solution

The fourth proportional to 804,820,118.40, 1,207,230,177.60 and 396,673,430.40 is: 595,010,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,820,118.40 : 1,207,230,177.60 = 396,673,430.40 : x
  2. Step 2: Convert to fraction form
    804,820,118.40/1,207,230,177.60 = 396,673,430.40/x
  3. Step 3: Cross multiply
    804,820,118.40x = 1,207,230,177.60 × 396,673,430.40
  4. Step 4: Simplify right side
    804,820,118.40x = 478,876,135,830,993,152
  5. Step 5: Solve for x
    x = 478,876,135,830,993,152/804,820,118.40
  6. Step 6: Final answer
    x = 595,010,145.60

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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.