Finding the Fourth Proportional to 909,394,110.96, 1,254,912,346.50 and 512,893,402.08
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Solution
The fourth proportional to 909,394,110.96, 1,254,912,346.50 and 512,893,402.08 is: 707,763,834.13
Step by Step Solution
- Step 1: Write the proportion equation
909,394,110.96 : 1,254,912,346.50 = 512,893,402.08 : x - Step 2: Convert to fraction form
909,394,110.96/1,254,912,346.50 = 512,893,402.08/x - Step 3: Cross multiply
909,394,110.96x = 1,254,912,346.50 × 512,893,402.08 - Step 4: Simplify right side
909,394,110.96x = 643,636,262,708,580,736 - Step 5: Solve for x
x = 643,636,262,708,580,736/909,394,110.96 - Step 6: Final answer
x = 707,763,834.13
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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.