Finding the Fourth Proportional to 3,479,291,612.70, 4,801,423,216.95 and 1,914,729,308.70
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Solution
The fourth proportional to 3,479,291,612.70, 4,801,423,216.95 and 1,914,729,308.70 is: 2,642,326,881.54
Step by Step Solution
- Step 1: Write the proportion equation
3,479,291,612.70 : 4,801,423,216.95 = 1,914,729,308.70 : x - Step 2: Convert to fraction form
3,479,291,612.70/4,801,423,216.95 = 1,914,729,308.70/x - Step 3: Cross multiply
3,479,291,612.70x = 4,801,423,216.95 × 1,914,729,308.70 - Step 4: Simplify right side
3,479,291,612.70x = 9,193,425,756,966,803,456 - Step 5: Solve for x
x = 9,193,425,756,966,803,456/3,479,291,612.70 - Step 6: Final answer
x = 2,642,326,881.54
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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.