Finding the Fourth Proportional to 1,364,688,536.90, 2,047,032,805.35 and 444,657,877.70
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Solution
The fourth proportional to 1,364,688,536.90, 2,047,032,805.35 and 444,657,877.70 is: 666,986,816.55
Step by Step Solution
- Step 1: Write the proportion equation
1,364,688,536.90 : 2,047,032,805.35 = 444,657,877.70 : x - Step 2: Convert to fraction form
1,364,688,536.90/2,047,032,805.35 = 444,657,877.70/x - Step 3: Cross multiply
1,364,688,536.90x = 2,047,032,805.35 × 444,657,877.70 - Step 4: Simplify right side
1,364,688,536.90x = 910,229,262,809,208,192 - Step 5: Solve for x
x = 910,229,262,809,208,192/1,364,688,536.90 - Step 6: Final answer
x = 666,986,816.55
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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.