Finding the Fourth Proportional to 1,512,936,924.03, 2,087,763,038.73 and 877,808,218.23
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Solution
The fourth proportional to 1,512,936,924.03, 2,087,763,038.73 and 877,808,218.23 is: 1,211,323,171.51
Step by Step Solution
- Step 1: Write the proportion equation
1,512,936,924.03 : 2,087,763,038.73 = 877,808,218.23 : x - Step 2: Convert to fraction form
1,512,936,924.03/2,087,763,038.73 = 877,808,218.23/x - Step 3: Cross multiply
1,512,936,924.03x = 2,087,763,038.73 × 877,808,218.23 - Step 4: Simplify right side
1,512,936,924.03x = 1,832,655,553,114,031,872 - Step 5: Solve for x
x = 1,832,655,553,114,031,872/1,512,936,924.03 - Step 6: Final answer
x = 1,211,323,171.51
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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.