Finding the Fourth Proportional to 830,344,730.40, 1,245,517,095.60 and 524,579,968.80
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Solution
The fourth proportional to 830,344,730.40, 1,245,517,095.60 and 524,579,968.80 is: 786,869,953.20
Step by Step Solution
- Step 1: Write the proportion equation
830,344,730.40 : 1,245,517,095.60 = 524,579,968.80 : x - Step 2: Convert to fraction form
830,344,730.40/1,245,517,095.60 = 524,579,968.80/x - Step 3: Cross multiply
830,344,730.40x = 1,245,517,095.60 × 524,579,968.80 - Step 4: Simplify right side
830,344,730.40x = 653,373,319,149,714,560 - Step 5: Solve for x
x = 653,373,319,149,714,560/830,344,730.40 - Step 6: Final answer
x = 786,869,953.20
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Similar ratio
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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.