Finding the Fourth Proportional to 787,125,218.76, 1,179,779,812.20 and 295,524,946.80
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Solution
The fourth proportional to 787,125,218.76, 1,179,779,812.20 and 295,524,946.80 is: 442,946,507.02
Step by Step Solution
- Step 1: Write the proportion equation
787,125,218.76 : 1,179,779,812.20 = 295,524,946.80 : x - Step 2: Convert to fraction form
787,125,218.76/1,179,779,812.20 = 295,524,946.80/x - Step 3: Cross multiply
787,125,218.76x = 1,179,779,812.20 × 295,524,946.80 - Step 4: Simplify right side
787,125,218.76x = 348,654,366,236,119,040 - Step 5: Solve for x
x = 348,654,366,236,119,040/787,125,218.76 - Step 6: Final answer
x = 442,946,507.02
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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.