Finding the Fourth Proportional to 228,418,950,294.21, 315,225,710,996.76 and 125,539,716,574.53
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Solution
The fourth proportional to 228,418,950,294.21, 315,225,710,996.76 and 125,539,716,574.53 is: 173,248,963,645.82
Step by Step Solution
- Step 1: Write the proportion equation
228,418,950,294.21 : 315,225,710,996.76 = 125,539,716,574.53 : x - Step 2: Convert to fraction form
228,418,950,294.21/315,225,710,996.76 = 125,539,716,574.53/x - Step 3: Cross multiply
228,418,950,294.21x = 315,225,710,996.76 × 125,539,716,574.53 - Step 4: Simplify right side
228,418,950,294.21x = 39,573,346,415,537,951,866,880 - Step 5: Solve for x
x = 39,573,346,415,537,951,866,880/228,418,950,294.21 - Step 6: Final answer
x = 173,248,963,645.82
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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.