Finding the Fourth Proportional to 1,417,698,910.40, 2,126,548,365.60 and 1,226,595,934.40
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Solution
The fourth proportional to 1,417,698,910.40, 2,126,548,365.60 and 1,226,595,934.40 is: 1,839,893,901.60
Step by Step Solution
- Step 1: Write the proportion equation
1,417,698,910.40 : 2,126,548,365.60 = 1,226,595,934.40 : x - Step 2: Convert to fraction form
1,417,698,910.40/2,126,548,365.60 = 1,226,595,934.40/x - Step 3: Cross multiply
1,417,698,910.40x = 2,126,548,365.60 × 1,226,595,934.40 - Step 4: Simplify right side
1,417,698,910.40x = 2,608,415,579,549,924,864 - Step 5: Solve for x
x = 2,608,415,579,549,924,864/1,417,698,910.40 - Step 6: Final answer
x = 1,839,893,901.60
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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.