Finding the Fourth Proportional to 940,793,565.54, 1,411,513,881.74 and 552,940,889.70
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Solution
The fourth proportional to 940,793,565.54, 1,411,513,881.74 and 552,940,889.70 is: 829,601,487.70
Step by Step Solution
- Step 1: Write the proportion equation
940,793,565.54 : 1,411,513,881.74 = 552,940,889.70 : x - Step 2: Convert to fraction form
940,793,565.54/1,411,513,881.74 = 552,940,889.70/x - Step 3: Cross multiply
940,793,565.54x = 1,411,513,881.74 × 552,940,889.70 - Step 4: Simplify right side
940,793,565.54x = 780,483,741,587,541,120 - Step 5: Solve for x
x = 780,483,741,587,541,120/940,793,565.54 - Step 6: Final answer
x = 829,601,487.70
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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.