Finding the Fourth Proportional to 1,944,169,711.67, 2,915,925,643.54 and 544,831,924.08
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Solution
The fourth proportional to 1,944,169,711.67, 2,915,925,643.54 and 544,831,924.08 is: 817,155,708.84
Step by Step Solution
- Step 1: Write the proportion equation
1,944,169,711.67 : 2,915,925,643.54 = 544,831,924.08 : x - Step 2: Convert to fraction form
1,944,169,711.67/2,915,925,643.54 = 544,831,924.08/x - Step 3: Cross multiply
1,944,169,711.67x = 2,915,925,643.54 × 544,831,924.08 - Step 4: Simplify right side
1,944,169,711.67x = 1,588,689,378,837,528,832 - Step 5: Solve for x
x = 1,588,689,378,837,528,832/1,944,169,711.67 - Step 6: Final answer
x = 817,155,708.84
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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.