Finding the Fourth Proportional to 345,358,233.20, 517,365,503.40 and 208,637,490.80
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Solution
The fourth proportional to 345,358,233.20, 517,365,503.40 and 208,637,490.80 is: 312,550,360.99
Step by Step Solution
- Step 1: Write the proportion equation
345,358,233.20 : 517,365,503.40 = 208,637,490.80 : x - Step 2: Convert to fraction form
345,358,233.20/517,365,503.40 = 208,637,490.80/x - Step 3: Cross multiply
345,358,233.20x = 517,365,503.40 × 208,637,490.80 - Step 4: Simplify right side
345,358,233.20x = 107,941,840,455,854,864 - Step 5: Solve for x
x = 107,941,840,455,854,864/345,358,233.20 - Step 6: Final answer
x = 312,550,360.99
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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.