Finding the Fourth Proportional to 2,642,312,177.82, 3,963,378,501.27 and 677,184,552.54
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Solution
The fourth proportional to 2,642,312,177.82, 3,963,378,501.27 and 677,184,552.54 is: 1,015,753,823.28
Step by Step Solution
- Step 1: Write the proportion equation
2,642,312,177.82 : 3,963,378,501.27 = 677,184,552.54 : x - Step 2: Convert to fraction form
2,642,312,177.82/3,963,378,501.27 = 677,184,552.54/x - Step 3: Cross multiply
2,642,312,177.82x = 3,963,378,501.27 × 677,184,552.54 - Step 4: Simplify right side
2,642,312,177.82x = 2,683,938,696,929,180,672 - Step 5: Solve for x
x = 2,683,938,696,929,180,672/2,642,312,177.82 - Step 6: Final answer
x = 1,015,753,823.28
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1.5x scale
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.