Finding the Fourth Proportional to 1,768,689,963.12, 2,651,637,046.68 and 882,920,722.80
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Solution
The fourth proportional to 1,768,689,963.12, 2,651,637,046.68 and 882,920,722.80 is: 1,323,683,260.87
Step by Step Solution
- Step 1: Write the proportion equation
1,768,689,963.12 : 2,651,637,046.68 = 882,920,722.80 : x - Step 2: Convert to fraction form
1,768,689,963.12/2,651,637,046.68 = 882,920,722.80/x - Step 3: Cross multiply
1,768,689,963.12x = 2,651,637,046.68 × 882,920,722.80 - Step 4: Simplify right side
1,768,689,963.12x = 2,341,185,297,857,962,496 - Step 5: Solve for x
x = 2,341,185,297,857,962,496/1,768,689,963.12 - Step 6: Final answer
x = 1,323,683,260.87
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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.