Home / 804,769,286.40-1,207,153,929.60-757,152,172.80

Finding the Fourth Proportional to 804,769,286.40, 1,207,153,929.60 and 757,152,172.80

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Solution

The fourth proportional to 804,769,286.40, 1,207,153,929.60 and 757,152,172.80 is: 1,135,728,259.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,769,286.40 : 1,207,153,929.60 = 757,152,172.80 : x
  2. Step 2: Convert to fraction form
    804,769,286.40/1,207,153,929.60 = 757,152,172.80/x
  3. Step 3: Cross multiply
    804,769,286.40x = 1,207,153,929.60 × 757,152,172.80
  4. Step 4: Simplify right side
    804,769,286.40x = 913,999,220,700,698,112
  5. Step 5: Solve for x
    x = 913,999,220,700,698,112/804,769,286.40
  6. Step 6: Final answer
    x = 1,135,728,259.20

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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.