Finding the Fourth Proportional to 982,005,869.66, 1,473,202,854.12 and 360,226,874.84
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Solution
The fourth proportional to 982,005,869.66, 1,473,202,854.12 and 360,226,874.84 is: 540,411,495.02
Step by Step Solution
- Step 1: Write the proportion equation
982,005,869.66 : 1,473,202,854.12 = 360,226,874.84 : x - Step 2: Convert to fraction form
982,005,869.66/1,473,202,854.12 = 360,226,874.84/x - Step 3: Cross multiply
982,005,869.66x = 1,473,202,854.12 × 360,226,874.84 - Step 4: Simplify right side
982,005,869.66x = 530,687,260,145,015,936 - Step 5: Solve for x
x = 530,687,260,145,015,936/982,005,869.66 - Step 6: Final answer
x = 540,411,495.02
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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.