Finding the Fourth Proportional to 1,534,953,441.01, 2,118,242,130.57 and 830,105,422.42
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Solution
The fourth proportional to 1,534,953,441.01, 2,118,242,130.57 and 830,105,422.42 is: 1,145,548,934.32
Step by Step Solution
- Step 1: Write the proportion equation
1,534,953,441.01 : 2,118,242,130.57 = 830,105,422.42 : x - Step 2: Convert to fraction form
1,534,953,441.01/2,118,242,130.57 = 830,105,422.42/x - Step 3: Cross multiply
1,534,953,441.01x = 2,118,242,130.57 × 830,105,422.42 - Step 4: Simplify right side
1,534,953,441.01x = 1,758,364,278,584,650,496 - Step 5: Solve for x
x = 1,758,364,278,584,650,496/1,534,953,441.01 - Step 6: Final answer
x = 1,145,548,934.32
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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.