Finding the Fourth Proportional to 1,627,493,552.13, 2,441,240,328.21 and 478,636,208.13
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Solution
The fourth proportional to 1,627,493,552.13, 2,441,240,328.21 and 478,636,208.13 is: 717,954,312.20
Step by Step Solution
- Step 1: Write the proportion equation
1,627,493,552.13 : 2,441,240,328.21 = 478,636,208.13 : x - Step 2: Convert to fraction form
1,627,493,552.13/2,441,240,328.21 = 478,636,208.13/x - Step 3: Cross multiply
1,627,493,552.13x = 2,441,240,328.21 × 478,636,208.13 - Step 4: Simplify right side
1,627,493,552.13x = 1,168,466,013,828,471,040 - Step 5: Solve for x
x = 1,168,466,013,828,471,040/1,627,493,552.13 - Step 6: Final answer
x = 717,954,312.20
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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.