Finding the Fourth Proportional to 5,009,119,344.80, 6,912,758,536.08 and 2,781,488,733.92
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Solution
The fourth proportional to 5,009,119,344.80, 6,912,758,536.08 and 2,781,488,733.92 is: 3,838,550,983.69
Step by Step Solution
- Step 1: Write the proportion equation
5,009,119,344.80 : 6,912,758,536.08 = 2,781,488,733.92 : x - Step 2: Convert to fraction form
5,009,119,344.80/6,912,758,536.08 = 2,781,488,733.92/x - Step 3: Cross multiply
5,009,119,344.80x = 6,912,758,536.08 × 2,781,488,733.92 - Step 4: Simplify right side
5,009,119,344.80x = 19,227,759,988,415,832,064 - Step 5: Solve for x
x = 19,227,759,988,415,832,064/5,009,119,344.80 - Step 6: Final answer
x = 3,838,550,983.69
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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.