Home / 804,815,999.70-1,207,223,999.55-766,552,247.70

Finding the Fourth Proportional to 804,815,999.70, 1,207,223,999.55 and 766,552,247.70

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Solution

The fourth proportional to 804,815,999.70, 1,207,223,999.55 and 766,552,247.70 is: 1,149,828,371.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,815,999.70 : 1,207,223,999.55 = 766,552,247.70 : x
  2. Step 2: Convert to fraction form
    804,815,999.70/1,207,223,999.55 = 766,552,247.70/x
  3. Step 3: Cross multiply
    804,815,999.70x = 1,207,223,999.55 × 766,552,247.70
  4. Step 4: Simplify right side
    804,815,999.70x = 925,400,270,332,436,352
  5. Step 5: Solve for x
    x = 925,400,270,332,436,352/804,815,999.70
  6. Step 6: Final answer
    x = 1,149,828,371.55

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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.