Finding the Fourth Proportional to 1,395,230,925.84, 2,092,776,821.64 and 521,768,079.60
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Solution
The fourth proportional to 1,395,230,925.84, 2,092,776,821.64 and 521,768,079.60 is: 782,626,103.70
Step by Step Solution
- Step 1: Write the proportion equation
1,395,230,925.84 : 2,092,776,821.64 = 521,768,079.60 : x - Step 2: Convert to fraction form
1,395,230,925.84/2,092,776,821.64 = 521,768,079.60/x - Step 3: Cross multiply
1,395,230,925.84x = 2,092,776,821.64 × 521,768,079.60 - Step 4: Simplify right side
1,395,230,925.84x = 1,091,944,143,258,494,592 - Step 5: Solve for x
x = 1,091,944,143,258,494,592/1,395,230,925.84 - Step 6: Final answer
x = 782,626,103.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.