Finding the Fourth Proportional to 873,495,044.83, 1,310,893,305.99 and 640,926,729.70
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Solution
The fourth proportional to 873,495,044.83, 1,310,893,305.99 and 640,926,729.70 is: 961,867,573.91
Step by Step Solution
- Step 1: Write the proportion equation
873,495,044.83 : 1,310,893,305.99 = 640,926,729.70 : x - Step 2: Convert to fraction form
873,495,044.83/1,310,893,305.99 = 640,926,729.70/x - Step 3: Cross multiply
873,495,044.83x = 1,310,893,305.99 × 640,926,729.70 - Step 4: Simplify right side
873,495,044.83x = 840,186,559,593,792,128 - Step 5: Solve for x
x = 840,186,559,593,792,128/873,495,044.83 - Step 6: Final answer
x = 961,867,573.91
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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.