Finding the Fourth Proportional to 918,432,037.80, 1,377,648,056.70 and 335,972,701.80
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Solution
The fourth proportional to 918,432,037.80, 1,377,648,056.70 and 335,972,701.80 is: 503,959,052.70
Step by Step Solution
- Step 1: Write the proportion equation
918,432,037.80 : 1,377,648,056.70 = 335,972,701.80 : x - Step 2: Convert to fraction form
918,432,037.80/1,377,648,056.70 = 335,972,701.80/x - Step 3: Cross multiply
918,432,037.80x = 1,377,648,056.70 × 335,972,701.80 - Step 4: Simplify right side
918,432,037.80x = 462,852,139,739,018,624 - Step 5: Solve for x
x = 462,852,139,739,018,624/918,432,037.80 - Step 6: Final answer
x = 503,959,052.70
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Double scale
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Similar ratio
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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.