Finding the Fourth Proportional to 887,973,094.20, 1,331,959,641.30 and 874,368,204.60
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Solution
The fourth proportional to 887,973,094.20, 1,331,959,641.30 and 874,368,204.60 is: 1,311,552,306.90
Step by Step Solution
- Step 1: Write the proportion equation
887,973,094.20 : 1,331,959,641.30 = 874,368,204.60 : x - Step 2: Convert to fraction form
887,973,094.20/1,331,959,641.30 = 874,368,204.60/x - Step 3: Cross multiply
887,973,094.20x = 1,331,959,641.30 × 874,368,204.60 - Step 4: Simplify right side
887,973,094.20x = 1,164,623,160,163,141,120 - Step 5: Solve for x
x = 1,164,623,160,163,141,120/887,973,094.20 - Step 6: Final answer
x = 1,311,552,306.90
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.