Finding the Fourth Proportional to 228,418,950,355.61, 315,225,711,081.60 and 125,539,716,635.98
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Solution
The fourth proportional to 228,418,950,355.61, 315,225,711,081.60 and 125,539,716,635.98 is: 173,248,963,730.68
Step by Step Solution
- Step 1: Write the proportion equation
228,418,950,355.61 : 315,225,711,081.60 = 125,539,716,635.98 : x - Step 2: Convert to fraction form
228,418,950,355.61/315,225,711,081.60 = 125,539,716,635.98/x - Step 3: Cross multiply
228,418,950,355.61x = 315,225,711,081.60 × 125,539,716,635.98 - Step 4: Simplify right side
228,418,950,355.61x = 39,573,346,445,559,362,224,128 - Step 5: Solve for x
x = 39,573,346,445,559,362,224,128/228,418,950,355.61 - Step 6: Final answer
x = 173,248,963,730.68
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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.