Home / 1,057,152,031.80-1,585,728,047.70-989,127,583.80

Finding the Fourth Proportional to 1,057,152,031.80, 1,585,728,047.70 and 989,127,583.80

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Solution

The fourth proportional to 1,057,152,031.80, 1,585,728,047.70 and 989,127,583.80 is: 1,483,691,375.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,152,031.80 : 1,585,728,047.70 = 989,127,583.80 : x
  2. Step 2: Convert to fraction form
    1,057,152,031.80/1,585,728,047.70 = 989,127,583.80/x
  3. Step 3: Cross multiply
    1,057,152,031.80x = 1,585,728,047.70 × 989,127,583.80
  4. Step 4: Simplify right side
    1,057,152,031.80x = 1,568,487,352,385,392,128
  5. Step 5: Solve for x
    x = 1,568,487,352,385,392,128/1,057,152,031.80
  6. Step 6: Final answer
    x = 1,483,691,375.70

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Double scale
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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.