Finding the Fourth Proportional to 2,378,306,966.16, 3,566,651,434.20 and 904,091,206.80
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Solution
The fourth proportional to 2,378,306,966.16, 3,566,651,434.20 and 904,091,206.80 is: 1,355,829,270.68
Step by Step Solution
- Step 1: Write the proportion equation
2,378,306,966.16 : 3,566,651,434.20 = 904,091,206.80 : x - Step 2: Convert to fraction form
2,378,306,966.16/3,566,651,434.20 = 904,091,206.80/x - Step 3: Cross multiply
2,378,306,966.16x = 3,566,651,434.20 × 904,091,206.80 - Step 4: Simplify right side
2,378,306,966.16x = 3,224,578,199,380,828,672 - Step 5: Solve for x
x = 3,224,578,199,380,828,672/2,378,306,966.16 - Step 6: Final answer
x = 1,355,829,270.68
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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.