Finding the Fourth Proportional to 2,646,094,247.84, 3,968,838,512.16 and 707,548,645.28
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Solution
The fourth proportional to 2,646,094,247.84, 3,968,838,512.16 and 707,548,645.28 is: 1,061,241,985.20
Step by Step Solution
- Step 1: Write the proportion equation
2,646,094,247.84 : 3,968,838,512.16 = 707,548,645.28 : x - Step 2: Convert to fraction form
2,646,094,247.84/3,968,838,512.16 = 707,548,645.28/x - Step 3: Cross multiply
2,646,094,247.84x = 3,968,838,512.16 × 707,548,645.28 - Step 4: Simplify right side
2,646,094,247.84x = 2,808,146,312,613,898,752 - Step 5: Solve for x
x = 2,808,146,312,613,898,752/2,646,094,247.84 - Step 6: Final answer
x = 1,061,241,985.20
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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.