Finding the Fourth Proportional to 19,472,219,850,028, 29,209,269,166,736 and 6,402,694,447,156.80
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Solution
The fourth proportional to 19,472,219,850,028, 29,209,269,166,736 and 6,402,694,447,156.80 is: 9,604,350,553,750.55
Step by Step Solution
- Step 1: Write the proportion equation
19,472,219,850,028 : 29,209,269,166,736 = 6,402,694,447,156.80 : x - Step 2: Convert to fraction form
19,472,219,850,028/29,209,269,166,736 = 6,402,694,447,156.80/x - Step 3: Cross multiply
19,472,219,850,028x = 29,209,269,166,736 × 6,402,694,447,156.80 - Step 4: Simplify right side
19,472,219,850,028x = 187,018,025,499,368,899,943,071,744 - Step 5: Solve for x
x = 187,018,025,499,368,899,943,071,744/19,472,219,850,028 - Step 6: Final answer
x = 9,604,350,553,750.55
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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.