Finding the Fourth Proportional to 687,508,381.80, 1,029,750,918.30 and 596,809,117.80
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Solution
The fourth proportional to 687,508,381.80, 1,029,750,918.30 and 596,809,117.80 is: 893,901,446.69
Step by Step Solution
- Step 1: Write the proportion equation
687,508,381.80 : 1,029,750,918.30 = 596,809,117.80 : x - Step 2: Convert to fraction form
687,508,381.80/1,029,750,918.30 = 596,809,117.80/x - Step 3: Cross multiply
687,508,381.80x = 1,029,750,918.30 × 596,809,117.80 - Step 4: Simplify right side
687,508,381.80x = 614,564,737,104,362,752 - Step 5: Solve for x
x = 614,564,737,104,362,752/687,508,381.80 - Step 6: Final answer
x = 893,901,446.69
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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.