Finding the Fourth Proportional to 1,314,819,029.80, 1,972,228,544.70 and 635,341,781.80
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Solution
The fourth proportional to 1,314,819,029.80, 1,972,228,544.70 and 635,341,781.80 is: 953,012,672.70
Step by Step Solution
- Step 1: Write the proportion equation
1,314,819,029.80 : 1,972,228,544.70 = 635,341,781.80 : x - Step 2: Convert to fraction form
1,314,819,029.80/1,972,228,544.70 = 635,341,781.80/x - Step 3: Cross multiply
1,314,819,029.80x = 1,972,228,544.70 × 635,341,781.80 - Step 4: Simplify right side
1,314,819,029.80x = 1,253,039,197,706,518,784 - Step 5: Solve for x
x = 1,253,039,197,706,518,784/1,314,819,029.80 - Step 6: Final answer
x = 953,012,672.70
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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.