Finding the Fourth Proportional to 1,476,829,491.69, 2,038,652,224.08 and 920,187,559.47
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Solution
The fourth proportional to 1,476,829,491.69, 2,038,652,224.08 and 920,187,559.47 is: 1,270,249,832.66
Step by Step Solution
- Step 1: Write the proportion equation
1,476,829,491.69 : 2,038,652,224.08 = 920,187,559.47 : x - Step 2: Convert to fraction form
1,476,829,491.69/2,038,652,224.08 = 920,187,559.47/x - Step 3: Cross multiply
1,476,829,491.69x = 2,038,652,224.08 × 920,187,559.47 - Step 4: Simplify right side
1,476,829,491.69x = 1,875,942,414,684,262,656 - Step 5: Solve for x
x = 1,875,942,414,684,262,656/1,476,829,491.69 - Step 6: Final answer
x = 1,270,249,832.66
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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.