Finding the Fourth Proportional to 4,739,636,857.06, 6,538,219,106.71 and 2,930,570,438.70
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Solution
The fourth proportional to 4,739,636,857.06, 6,538,219,106.71 and 2,930,570,438.70 is: 4,042,653,944.54
Step by Step Solution
- Step 1: Write the proportion equation
4,739,636,857.06 : 6,538,219,106.71 = 2,930,570,438.70 : x - Step 2: Convert to fraction form
4,739,636,857.06/6,538,219,106.71 = 2,930,570,438.70/x - Step 3: Cross multiply
4,739,636,857.06x = 6,538,219,106.71 × 2,930,570,438.70 - Step 4: Simplify right side
4,739,636,857.06x = 19,160,711,635,871,952,896 - Step 5: Solve for x
x = 19,160,711,635,871,952,896/4,739,636,857.06 - Step 6: Final answer
x = 4,042,653,944.54
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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.