Finding the Fourth Proportional to 425,440,804.10, 587,153,447.10 and 249,376,725.83
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Solution
The fourth proportional to 425,440,804.10, 587,153,447.10 and 249,376,725.83 is: 344,166,339.44
Step by Step Solution
- Step 1: Write the proportion equation
425,440,804.10 : 587,153,447.10 = 249,376,725.83 : x - Step 2: Convert to fraction form
425,440,804.10/587,153,447.10 = 249,376,725.83/x - Step 3: Cross multiply
425,440,804.10x = 587,153,447.10 × 249,376,725.83 - Step 4: Simplify right side
425,440,804.10x = 146,422,404,194,660,352 - Step 5: Solve for x
x = 146,422,404,194,660,352/425,440,804.10 - Step 6: Final answer
x = 344,166,339.44
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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.