Finding the Fourth Proportional to 4,828,896,323.90, 7,243,344,485.85 and 2,992,236,227.90
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Solution
The fourth proportional to 4,828,896,323.90, 7,243,344,485.85 and 2,992,236,227.90 is: 4,488,354,341.85
Step by Step Solution
- Step 1: Write the proportion equation
4,828,896,323.90 : 7,243,344,485.85 = 2,992,236,227.90 : x - Step 2: Convert to fraction form
4,828,896,323.90/7,243,344,485.85 = 2,992,236,227.90/x - Step 3: Cross multiply
4,828,896,323.90x = 7,243,344,485.85 × 2,992,236,227.90 - Step 4: Simplify right side
4,828,896,323.90x = 21,673,797,781,720,072,192 - Step 5: Solve for x
x = 21,673,797,781,720,072,192/4,828,896,323.90 - Step 6: Final answer
x = 4,488,354,341.85
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Double scale
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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.