Finding the Fourth Proportional to 42,251,921,011.80, 63,377,881,517.70 and 22,660,879,987.80
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Solution
The fourth proportional to 42,251,921,011.80, 63,377,881,517.70 and 22,660,879,987.80 is: 33,991,319,981.70
Step by Step Solution
- Step 1: Write the proportion equation
42,251,921,011.80 : 63,377,881,517.70 = 22,660,879,987.80 : x - Step 2: Convert to fraction form
42,251,921,011.80/63,377,881,517.70 = 22,660,879,987.80/x - Step 3: Cross multiply
42,251,921,011.80x = 63,377,881,517.70 × 22,660,879,987.80 - Step 4: Simplify right side
42,251,921,011.80x = 1,436,198,566,953,607,233,536 - Step 5: Solve for x
x = 1,436,198,566,953,607,233,536/42,251,921,011.80 - Step 6: Final answer
x = 33,991,319,981.70
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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.