Finding the Fourth Proportional to 315,519,319.35, 473,303,409.01 and 105,430,731.63
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Solution
The fourth proportional to 315,519,319.35, 473,303,409.01 and 105,430,731.63 is: 158,154,260.73
Step by Step Solution
- Step 1: Write the proportion equation
315,519,319.35 : 473,303,409.01 = 105,430,731.63 : x - Step 2: Convert to fraction form
315,519,319.35/473,303,409.01 = 105,430,731.63/x - Step 3: Cross multiply
315,519,319.35x = 473,303,409.01 × 105,430,731.63 - Step 4: Simplify right side
315,519,319.35x = 49,900,724,696,779,864 - Step 5: Solve for x
x = 49,900,724,696,779,864/315,519,319.35 - Step 6: Final answer
x = 158,154,260.73
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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.