Finding the Fourth Proportional to 1,041,565,905, 1,437,405,738.66 and 577,991,889
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Solution
The fourth proportional to 1,041,565,905, 1,437,405,738.66 and 577,991,889 is: 797,653,661.82
Step by Step Solution
- Step 1: Write the proportion equation
1,041,565,905 : 1,437,405,738.66 = 577,991,889 : x - Step 2: Convert to fraction form
1,041,565,905/1,437,405,738.66 = 577,991,889/x - Step 3: Cross multiply
1,041,565,905x = 1,437,405,738.66 × 577,991,889 - Step 4: Simplify right side
1,041,565,905x = 830,808,858,147,533,824 - Step 5: Solve for x
x = 830,808,858,147,533,824/1,041,565,905 - Step 6: Final answer
x = 797,653,661.82
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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.