Finding the Fourth Proportional to 1,079,349,496.08, 1,489,502,803.68 and 584,312,205.12
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Solution
The fourth proportional to 1,079,349,496.08, 1,489,502,803.68 and 584,312,205.12 is: 806,351,113.25
Step by Step Solution
- Step 1: Write the proportion equation
1,079,349,496.08 : 1,489,502,803.68 = 584,312,205.12 : x - Step 2: Convert to fraction form
1,079,349,496.08/1,489,502,803.68 = 584,312,205.12/x - Step 3: Cross multiply
1,079,349,496.08x = 1,489,502,803.68 × 584,312,205.12 - Step 4: Simplify right side
1,079,349,496.08x = 870,334,667,750,683,264 - Step 5: Solve for x
x = 870,334,667,750,683,264/1,079,349,496.08 - Step 6: Final answer
x = 806,351,113.25
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1.5x scale
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.