Finding the Fourth Proportional to 876,798,084.99, 1,209,971,714.40 and 474,901,835.13
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Solution
The fourth proportional to 876,798,084.99, 1,209,971,714.40 and 474,901,835.13 is: 655,359,309.58
Step by Step Solution
- Step 1: Write the proportion equation
876,798,084.99 : 1,209,971,714.40 = 474,901,835.13 : x - Step 2: Convert to fraction form
876,798,084.99/1,209,971,714.40 = 474,901,835.13/x - Step 3: Cross multiply
876,798,084.99x = 1,209,971,714.40 × 474,901,835.13 - Step 4: Simplify right side
876,798,084.99x = 574,617,787,623,952,256 - Step 5: Solve for x
x = 574,617,787,623,952,256/876,798,084.99 - Step 6: Final answer
x = 655,359,309.58
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.