Finding the Fourth Proportional to 652,641,790.14, 978,989,683.56 and 192,579,964.92
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Solution
The fourth proportional to 652,641,790.14, 978,989,683.56 and 192,579,964.92 is: 288,877,913.99
Step by Step Solution
- Step 1: Write the proportion equation
652,641,790.14 : 978,989,683.56 = 192,579,964.92 : x - Step 2: Convert to fraction form
652,641,790.14/978,989,683.56 = 192,579,964.92/x - Step 3: Cross multiply
652,641,790.14x = 978,989,683.56 × 192,579,964.92 - Step 4: Simplify right side
652,641,790.14x = 188,533,798,917,026,688 - Step 5: Solve for x
x = 188,533,798,917,026,688/652,641,790.14 - Step 6: Final answer
x = 288,877,913.99
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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.