Finding the Fourth Proportional to 4,292,980,967.53, 6,439,472,943.92 and 1,345,489,279.26
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Solution
The fourth proportional to 4,292,980,967.53, 6,439,472,943.92 and 1,345,489,279.26 is: 2,018,234,386.70
Step by Step Solution
- Step 1: Write the proportion equation
4,292,980,967.53 : 6,439,472,943.92 = 1,345,489,279.26 : x - Step 2: Convert to fraction form
4,292,980,967.53/6,439,472,943.92 = 1,345,489,279.26/x - Step 3: Cross multiply
4,292,980,967.53x = 6,439,472,943.92 × 1,345,489,279.26 - Step 4: Simplify right side
4,292,980,967.53x = 8,664,241,810,110,237,696 - Step 5: Solve for x
x = 8,664,241,810,110,237,696/4,292,980,967.53 - Step 6: Final answer
x = 2,018,234,386.70
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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.