Finding the Fourth Proportional to 2,124,455,763.60, 3,186,683,645.40 and 1,995,209,312.40
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Solution
The fourth proportional to 2,124,455,763.60, 3,186,683,645.40 and 1,995,209,312.40 is: 2,992,813,968.60
Step by Step Solution
- Step 1: Write the proportion equation
2,124,455,763.60 : 3,186,683,645.40 = 1,995,209,312.40 : x - Step 2: Convert to fraction form
2,124,455,763.60/3,186,683,645.40 = 1,995,209,312.40/x - Step 3: Cross multiply
2,124,455,763.60x = 3,186,683,645.40 × 1,995,209,312.40 - Step 4: Simplify right side
2,124,455,763.60x = 6,358,100,884,974,860,288 - Step 5: Solve for x
x = 6,358,100,884,974,860,288/2,124,455,763.60 - Step 6: Final answer
x = 2,992,813,968.60
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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.