Finding the Fourth Proportional to 76,679,658,750.96, 105,828,441,045.12 and 44,126,203,380.48
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Solution
The fourth proportional to 76,679,658,750.96, 105,828,441,045.12 and 44,126,203,380.48 is: 60,900,209,900.03
Step by Step Solution
- Step 1: Write the proportion equation
76,679,658,750.96 : 105,828,441,045.12 = 44,126,203,380.48 : x - Step 2: Convert to fraction form
76,679,658,750.96/105,828,441,045.12 = 44,126,203,380.48/x - Step 3: Cross multiply
76,679,658,750.96x = 105,828,441,045.12 × 44,126,203,380.48 - Step 4: Simplify right side
76,679,658,750.96x = 4,669,807,312,996,102,832,128 - Step 5: Solve for x
x = 4,669,807,312,996,102,832,128/76,679,658,750.96 - Step 6: Final answer
x = 60,900,209,900.03
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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.