Finding the Fourth Proportional to 1,203,893,377.34, 1,805,406,828.05 and 416,733,154.09
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Solution
The fourth proportional to 1,203,893,377.34, 1,805,406,828.05 and 416,733,154.09 is: 624,949,763.85
Step by Step Solution
- Step 1: Write the proportion equation
1,203,893,377.34 : 1,805,406,828.05 = 416,733,154.09 : x - Step 2: Convert to fraction form
1,203,893,377.34/1,805,406,828.05 = 416,733,154.09/x - Step 3: Cross multiply
1,203,893,377.34x = 1,805,406,828.05 × 416,733,154.09 - Step 4: Simplify right side
1,203,893,377.34x = 752,372,881,865,427,072 - Step 5: Solve for x
x = 752,372,881,865,427,072/1,203,893,377.34 - Step 6: Final answer
x = 624,949,763.85
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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.