Finding the Fourth Proportional to 915,747,784.20, 1,264,060,655.10 and 544,468,929.84
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Solution
The fourth proportional to 915,747,784.20, 1,264,060,655.10 and 544,468,929.84 is: 751,562,563.42
Step by Step Solution
- Step 1: Write the proportion equation
915,747,784.20 : 1,264,060,655.10 = 544,468,929.84 : x - Step 2: Convert to fraction form
915,747,784.20/1,264,060,655.10 = 544,468,929.84/x - Step 3: Cross multiply
915,747,784.20x = 1,264,060,655.10 × 544,468,929.84 - Step 4: Simplify right side
915,747,784.20x = 688,241,752,135,146,368 - Step 5: Solve for x
x = 688,241,752,135,146,368/915,747,784.20 - Step 6: Final answer
x = 751,562,563.42
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1.5x scale
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.