Finding the Fourth Proportional to 873,676,719.60, 1,310,515,079.40 and 735,927,212.40
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Solution
The fourth proportional to 873,676,719.60, 1,310,515,079.40 and 735,927,212.40 is: 1,103,890,818.60
Step by Step Solution
- Step 1: Write the proportion equation
873,676,719.60 : 1,310,515,079.40 = 735,927,212.40 : x - Step 2: Convert to fraction form
873,676,719.60/1,310,515,079.40 = 735,927,212.40/x - Step 3: Cross multiply
873,676,719.60x = 1,310,515,079.40 × 735,927,212.40 - Step 4: Simplify right side
873,676,719.60x = 964,443,709,191,006,720 - Step 5: Solve for x
x = 964,443,709,191,006,720/873,676,719.60 - Step 6: Final answer
x = 1,103,890,818.60
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1.5x scale
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.