Finding the Fourth Proportional to 4,993,197,678.96, 6,888,000,379.05 and 3,087,349,929.57
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Solution
The fourth proportional to 4,993,197,678.96, 6,888,000,379.05 and 3,087,349,929.57 is: 4,258,927,615.61
Step by Step Solution
- Step 1: Write the proportion equation
4,993,197,678.96 : 6,888,000,379.05 = 3,087,349,929.57 : x - Step 2: Convert to fraction form
4,993,197,678.96/6,888,000,379.05 = 3,087,349,929.57/x - Step 3: Cross multiply
4,993,197,678.96x = 6,888,000,379.05 × 3,087,349,929.57 - Step 4: Simplify right side
4,993,197,678.96x = 21,265,667,485,138,153,472 - Step 5: Solve for x
x = 21,265,667,485,138,153,472/4,993,197,678.96 - Step 6: Final answer
x = 4,258,927,615.61
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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.