Finding the Fourth Proportional to 920,671,788.84, 1,381,880,772.72 and 569,856,673.08
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Solution
The fourth proportional to 920,671,788.84, 1,381,880,772.72 and 569,856,673.08 is: 855,325,414.86
Step by Step Solution
- Step 1: Write the proportion equation
920,671,788.84 : 1,381,880,772.72 = 569,856,673.08 : x - Step 2: Convert to fraction form
920,671,788.84/1,381,880,772.72 = 569,856,673.08/x - Step 3: Cross multiply
920,671,788.84x = 1,381,880,772.72 × 569,856,673.08 - Step 4: Simplify right side
920,671,788.84x = 787,473,979,735,438,848 - Step 5: Solve for x
x = 787,473,979,735,438,848/920,671,788.84 - Step 6: Final answer
x = 855,325,414.86
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.