Finding the Fourth Proportional to 2,779,407,029.40, 4,169,110,544.10 and 939,133,134.60
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Solution
The fourth proportional to 2,779,407,029.40, 4,169,110,544.10 and 939,133,134.60 is: 1,408,699,701.90
Step by Step Solution
- Step 1: Write the proportion equation
2,779,407,029.40 : 4,169,110,544.10 = 939,133,134.60 : x - Step 2: Convert to fraction form
2,779,407,029.40/4,169,110,544.10 = 939,133,134.60/x - Step 3: Cross multiply
2,779,407,029.40x = 4,169,110,544.10 × 939,133,134.60 - Step 4: Simplify right side
2,779,407,029.40x = 3,915,349,853,774,544,384 - Step 5: Solve for x
x = 3,915,349,853,774,544,384/2,779,407,029.40 - Step 6: Final answer
x = 1,408,699,701.90
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.