Finding the Fourth Proportional to 5,391,900,276.80, 8,087,850,415.20 and 4,521,187,342.40
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Solution
The fourth proportional to 5,391,900,276.80, 8,087,850,415.20 and 4,521,187,342.40 is: 6,781,781,013.60
Step by Step Solution
- Step 1: Write the proportion equation
5,391,900,276.80 : 8,087,850,415.20 = 4,521,187,342.40 : x - Step 2: Convert to fraction form
5,391,900,276.80/8,087,850,415.20 = 4,521,187,342.40/x - Step 3: Cross multiply
5,391,900,276.80x = 8,087,850,415.20 × 4,521,187,342.40 - Step 4: Simplify right side
5,391,900,276.80x = 36,566,686,924,426,821,632 - Step 5: Solve for x
x = 36,566,686,924,426,821,632/5,391,900,276.80 - Step 6: Final answer
x = 6,781,781,013.60
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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.