Finding the Fourth Proportional to 912,961,790.94, 1,370,328,235.76 and 440,593,259.95
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Solution
The fourth proportional to 912,961,790.94, 1,370,328,235.76 and 440,593,259.95 is: 661,317,254.00
Step by Step Solution
- Step 1: Write the proportion equation
912,961,790.94 : 1,370,328,235.76 = 440,593,259.95 : x - Step 2: Convert to fraction form
912,961,790.94/1,370,328,235.76 = 440,593,259.95/x - Step 3: Cross multiply
912,961,790.94x = 1,370,328,235.76 × 440,593,259.95 - Step 4: Simplify right side
912,961,790.94x = 603,757,384,595,030,528 - Step 5: Solve for x
x = 603,757,384,595,030,528/912,961,790.94 - Step 6: Final answer
x = 661,317,254.00
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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.