Finding the Fourth Proportional to 669,125,520.20, 1,003,688,280.30 and 594,511,203.80
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Solution
The fourth proportional to 669,125,520.20, 1,003,688,280.30 and 594,511,203.80 is: 891,766,805.70
Step by Step Solution
- Step 1: Write the proportion equation
669,125,520.20 : 1,003,688,280.30 = 594,511,203.80 : x - Step 2: Convert to fraction form
669,125,520.20/1,003,688,280.30 = 594,511,203.80/x - Step 3: Cross multiply
669,125,520.20x = 1,003,688,280.30 × 594,511,203.80 - Step 4: Simplify right side
669,125,520.20x = 596,703,927,761,104,768 - Step 5: Solve for x
x = 596,703,927,761,104,768/669,125,520.20 - Step 6: Final answer
x = 891,766,805.70
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1.5x scale
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.