Finding the Fourth Proportional to 864,424,209.07, 1,295,909,715.65 and 700,254,845.20
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Solution
The fourth proportional to 864,424,209.07, 1,295,909,715.65 and 700,254,845.20 is: 1,049,793,663.58
Step by Step Solution
- Step 1: Write the proportion equation
864,424,209.07 : 1,295,909,715.65 = 700,254,845.20 : x - Step 2: Convert to fraction form
864,424,209.07/1,295,909,715.65 = 700,254,845.20/x - Step 3: Cross multiply
864,424,209.07x = 1,295,909,715.65 × 700,254,845.20 - Step 4: Simplify right side
864,424,209.07x = 907,467,057,322,410,368 - Step 5: Solve for x
x = 907,467,057,322,410,368/864,424,209.07 - Step 6: Final answer
x = 1,049,793,663.58
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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.