Finding the Fourth Proportional to 1,190,800,866.18, 1,643,306,557.71 and 662,153,502.02
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Solution
The fourth proportional to 1,190,800,866.18, 1,643,306,557.71 and 662,153,502.02 is: 913,772,590.34
Step by Step Solution
- Step 1: Write the proportion equation
1,190,800,866.18 : 1,643,306,557.71 = 662,153,502.02 : x - Step 2: Convert to fraction form
1,190,800,866.18/1,643,306,557.71 = 662,153,502.02/x - Step 3: Cross multiply
1,190,800,866.18x = 1,643,306,557.71 × 662,153,502.02 - Step 4: Simplify right side
1,190,800,866.18x = 1,088,121,192,074,341,120 - Step 5: Solve for x
x = 1,088,121,192,074,341,120/1,190,800,866.18 - Step 6: Final answer
x = 913,772,590.34
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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.