Finding the Fourth Proportional to 976,335,891.66, 1,347,353,417.88 and 530,307,964.71
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Solution
The fourth proportional to 976,335,891.66, 1,347,353,417.88 and 530,307,964.71 is: 731,830,361.75
Step by Step Solution
- Step 1: Write the proportion equation
976,335,891.66 : 1,347,353,417.88 = 530,307,964.71 : x - Step 2: Convert to fraction form
976,335,891.66/1,347,353,417.88 = 530,307,964.71/x - Step 3: Cross multiply
976,335,891.66x = 1,347,353,417.88 × 530,307,964.71 - Step 4: Simplify right side
976,335,891.66x = 714,512,248,781,004,928 - Step 5: Solve for x
x = 714,512,248,781,004,928/976,335,891.66 - Step 6: Final answer
x = 731,830,361.75
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1.5x scale
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.