Finding the Fourth Proportional to 992,407,041.25, 1,368,506,605.57 and 657,763,367.47
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Solution
The fourth proportional to 992,407,041.25, 1,368,506,605.57 and 657,763,367.47 is: 907,040,635.41
Step by Step Solution
- Step 1: Write the proportion equation
992,407,041.25 : 1,368,506,605.57 = 657,763,367.47 : x - Step 2: Convert to fraction form
992,407,041.25/1,368,506,605.57 = 657,763,367.47/x - Step 3: Cross multiply
992,407,041.25x = 1,368,506,605.57 × 657,763,367.47 - Step 4: Simplify right side
992,407,041.25x = 900,153,513,279,596,672 - Step 5: Solve for x
x = 900,153,513,279,596,672/992,407,041.25 - Step 6: Final answer
x = 907,040,635.41
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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.