Finding the Fourth Proportional to 2,013,944,119.90, 2,778,873,943.35 and 1,121,848,645.93
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Solution
The fourth proportional to 2,013,944,119.90, 2,778,873,943.35 and 1,121,848,645.93 is: 1,547,945,615.65
Step by Step Solution
- Step 1: Write the proportion equation
2,013,944,119.90 : 2,778,873,943.35 = 1,121,848,645.93 : x - Step 2: Convert to fraction form
2,013,944,119.90/2,778,873,943.35 = 1,121,848,645.93/x - Step 3: Cross multiply
2,013,944,119.90x = 2,778,873,943.35 × 1,121,848,645.93 - Step 4: Simplify right side
2,013,944,119.90x = 3,117,475,970,550,409,728 - Step 5: Solve for x
x = 3,117,475,970,550,409,728/2,013,944,119.90 - Step 6: Final answer
x = 1,547,945,615.65
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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.