Finding the Fourth Proportional to 437,806,285.60, 656,276,276.40 and 207,370,343.20
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Solution
The fourth proportional to 437,806,285.60, 656,276,276.40 and 207,370,343.20 is: 310,850,349.00
Step by Step Solution
- Step 1: Write the proportion equation
437,806,285.60 : 656,276,276.40 = 207,370,343.20 : x - Step 2: Convert to fraction form
437,806,285.60/656,276,276.40 = 207,370,343.20/x - Step 3: Cross multiply
437,806,285.60x = 656,276,276.40 × 207,370,343.20 - Step 4: Simplify right side
437,806,285.60x = 136,092,236,671,086,048 - Step 5: Solve for x
x = 136,092,236,671,086,048/437,806,285.60 - Step 6: Final answer
x = 310,850,349.00
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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.