Finding the Fourth Proportional to 4,791,874,607.54, 6,613,129,149.28 and 2,648,435,156.90
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Solution
The fourth proportional to 4,791,874,607.54, 6,613,129,149.28 and 2,648,435,156.90 is: 3,655,029,642.99
Step by Step Solution
- Step 1: Write the proportion equation
4,791,874,607.54 : 6,613,129,149.28 = 2,648,435,156.90 : x - Step 2: Convert to fraction form
4,791,874,607.54/6,613,129,149.28 = 2,648,435,156.90/x - Step 3: Cross multiply
4,791,874,607.54x = 6,613,129,149.28 × 2,648,435,156.90 - Step 4: Simplify right side
4,791,874,607.54x = 17,514,443,736,073,340,928 - Step 5: Solve for x
x = 17,514,443,736,073,340,928/4,791,874,607.54 - Step 6: Final answer
x = 3,655,029,642.99
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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.