Finding the Fourth Proportional to 1,417,241,487.96, 2,125,675,590.12 and 421,241,256
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Solution
The fourth proportional to 1,417,241,487.96, 2,125,675,590.12 and 421,241,256 is: 631,806,409.17
Step by Step Solution
- Step 1: Write the proportion equation
1,417,241,487.96 : 2,125,675,590.12 = 421,241,256 : x - Step 2: Convert to fraction form
1,417,241,487.96/2,125,675,590.12 = 421,241,256/x - Step 3: Cross multiply
1,417,241,487.96x = 2,125,675,590.12 × 421,241,256 - Step 4: Simplify right side
1,417,241,487.96x = 895,422,255,430,689,920 - Step 5: Solve for x
x = 895,422,255,430,689,920/1,417,241,487.96 - Step 6: Final answer
x = 631,806,409.17
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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.