Finding the Fourth Proportional to 2,779,656,259.09, 4,169,480,867.58 and 709,378,067.47
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Solution
The fourth proportional to 2,779,656,259.09, 4,169,480,867.58 and 709,378,067.47 is: 1,064,066,202.62
Step by Step Solution
- Step 1: Write the proportion equation
2,779,656,259.09 : 4,169,480,867.58 = 709,378,067.47 : x - Step 2: Convert to fraction form
2,779,656,259.09/4,169,480,867.58 = 709,378,067.47/x - Step 3: Cross multiply
2,779,656,259.09x = 4,169,480,867.58 × 709,378,067.47 - Step 4: Simplify right side
2,779,656,259.09x = 2,957,738,280,197,039,616 - Step 5: Solve for x
x = 2,957,738,280,197,039,616/2,779,656,259.09 - Step 6: Final answer
x = 1,064,066,202.62
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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.