Finding the Fourth Proportional to 807,417,237.57, 1,114,236,276.12 and 436,139,432.97
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Solution
The fourth proportional to 807,417,237.57, 1,114,236,276.12 and 436,139,432.97 is: 601,872,681.25
Step by Step Solution
- Step 1: Write the proportion equation
807,417,237.57 : 1,114,236,276.12 = 436,139,432.97 : x - Step 2: Convert to fraction form
807,417,237.57/1,114,236,276.12 = 436,139,432.97/x - Step 3: Cross multiply
807,417,237.57x = 1,114,236,276.12 × 436,139,432.97 - Step 4: Simplify right side
807,417,237.57x = 485,962,377,661,581,120 - Step 5: Solve for x
x = 485,962,377,661,581,120/807,417,237.57 - Step 6: Final answer
x = 601,872,681.25
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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.