Finding the Fourth Proportional to 5,677,386,263.58, 7,842,461,498.55 and 4,278,266,135.58
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Solution
The fourth proportional to 5,677,386,263.58, 7,842,461,498.55 and 4,278,266,135.58 is: 5,909,785,928.09
Step by Step Solution
- Step 1: Write the proportion equation
5,677,386,263.58 : 7,842,461,498.55 = 4,278,266,135.58 : x - Step 2: Convert to fraction form
5,677,386,263.58/7,842,461,498.55 = 4,278,266,135.58/x - Step 3: Cross multiply
5,677,386,263.58x = 7,842,461,498.55 × 4,278,266,135.58 - Step 4: Simplify right side
5,677,386,263.58x = 33,552,137,448,836,444,160 - Step 5: Solve for x
x = 33,552,137,448,836,444,160/5,677,386,263.58 - Step 6: Final answer
x = 5,909,785,928.09
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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.