Finding the Fourth Proportional to 709,425,104.60, 979,467,305.28 and 634,956,704.84
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Solution
The fourth proportional to 709,425,104.60, 979,467,305.28 and 634,956,704.84 is: 876,652,558.00
Step by Step Solution
- Step 1: Write the proportion equation
709,425,104.60 : 979,467,305.28 = 634,956,704.84 : x - Step 2: Convert to fraction form
709,425,104.60/979,467,305.28 = 634,956,704.84/x - Step 3: Cross multiply
709,425,104.60x = 979,467,305.28 × 634,956,704.84 - Step 4: Simplify right side
709,425,104.60x = 621,919,332,659,103,104 - Step 5: Solve for x
x = 621,919,332,659,103,104/709,425,104.60 - Step 6: Final answer
x = 876,652,558.00
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Double scale
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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.