Finding the Fourth Proportional to 727,232,743.12, 1,086,864,329.36 and 530,909,583.84
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Solution
The fourth proportional to 727,232,743.12, 1,086,864,329.36 and 530,909,583.84 is: 793,455,319.84
Step by Step Solution
- Step 1: Write the proportion equation
727,232,743.12 : 1,086,864,329.36 = 530,909,583.84 : x - Step 2: Convert to fraction form
727,232,743.12/1,086,864,329.36 = 530,909,583.84/x - Step 3: Cross multiply
727,232,743.12x = 1,086,864,329.36 × 530,909,583.84 - Step 4: Simplify right side
727,232,743.12x = 577,026,688,791,058,176 - Step 5: Solve for x
x = 577,026,688,791,058,176/727,232,743.12 - Step 6: Final answer
x = 793,455,319.84
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.