Finding the Fourth Proportional to 19,850,963,711.80, 29,776,445,567.70 and 19,713,214,204.60
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Solution
The fourth proportional to 19,850,963,711.80, 29,776,445,567.70 and 19,713,214,204.60 is: 29,569,821,306.90
Step by Step Solution
- Step 1: Write the proportion equation
19,850,963,711.80 : 29,776,445,567.70 = 19,713,214,204.60 : x - Step 2: Convert to fraction form
19,850,963,711.80/29,776,445,567.70 = 19,713,214,204.60/x - Step 3: Cross multiply
19,850,963,711.80x = 29,776,445,567.70 × 19,713,214,204.60 - Step 4: Simplify right side
19,850,963,711.80x = 586,989,449,727,682,347,008 - Step 5: Solve for x
x = 586,989,449,727,682,347,008/19,850,963,711.80 - Step 6: Final answer
x = 29,569,821,306.90
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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.