Finding the Fourth Proportional to 772,107,029.55, 1,158,160,544.33 and 247,475,117.36
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Solution
The fourth proportional to 772,107,029.55, 1,158,160,544.33 and 247,475,117.36 is: 371,212,676.04
Step by Step Solution
- Step 1: Write the proportion equation
772,107,029.55 : 1,158,160,544.33 = 247,475,117.36 : x - Step 2: Convert to fraction form
772,107,029.55/1,158,160,544.33 = 247,475,117.36/x - Step 3: Cross multiply
772,107,029.55x = 1,158,160,544.33 × 247,475,117.36 - Step 4: Simplify right side
772,107,029.55x = 286,615,916,631,446,272 - Step 5: Solve for x
x = 286,615,916,631,446,272/772,107,029.55 - Step 6: Final answer
x = 371,212,676.04
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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.