Finding the Fourth Proportional to 867,512,367.32, 1,197,133,490.06 and 471,026,282.18
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Solution
The fourth proportional to 867,512,367.32, 1,197,133,490.06 and 471,026,282.18 is: 649,998,038.45
Step by Step Solution
- Step 1: Write the proportion equation
867,512,367.32 : 1,197,133,490.06 = 471,026,282.18 : x - Step 2: Convert to fraction form
867,512,367.32/1,197,133,490.06 = 471,026,282.18/x - Step 3: Cross multiply
867,512,367.32x = 1,197,133,490.06 × 471,026,282.18 - Step 4: Simplify right side
867,512,367.32x = 563,881,337,089,531,840 - Step 5: Solve for x
x = 563,881,337,089,531,840/867,512,367.32 - Step 6: Final answer
x = 649,998,038.45
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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.