Finding the Fourth Proportional to 1,838,960,808.15, 2,539,211,881.32 and 1,480,590,207.75
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Solution
The fourth proportional to 1,838,960,808.15, 2,539,211,881.32 and 1,480,590,207.75 is: 2,044,378,667.68
Step by Step Solution
- Step 1: Write the proportion equation
1,838,960,808.15 : 2,539,211,881.32 = 1,480,590,207.75 : x - Step 2: Convert to fraction form
1,838,960,808.15/2,539,211,881.32 = 1,480,590,207.75/x - Step 3: Cross multiply
1,838,960,808.15x = 2,539,211,881.32 × 1,480,590,207.75 - Step 4: Simplify right side
1,838,960,808.15x = 3,759,532,246,884,847,616 - Step 5: Solve for x
x = 3,759,532,246,884,847,616/1,838,960,808.15 - Step 6: Final answer
x = 2,044,378,667.68
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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.