Finding the Fourth Proportional to 936,966,844.66, 1,293,014,219.97 and 519,341,873.62
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Solution
The fourth proportional to 936,966,844.66, 1,293,014,219.97 and 519,341,873.62 is: 716,691,771.37
Step by Step Solution
- Step 1: Write the proportion equation
936,966,844.66 : 1,293,014,219.97 = 519,341,873.62 : x - Step 2: Convert to fraction form
936,966,844.66/1,293,014,219.97 = 519,341,873.62/x - Step 3: Cross multiply
936,966,844.66x = 1,293,014,219.97 × 519,341,873.62 - Step 4: Simplify right side
936,966,844.66x = 671,516,427,616,522,624 - Step 5: Solve for x
x = 671,516,427,616,522,624/936,966,844.66 - Step 6: Final answer
x = 716,691,771.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.