Finding the Fourth Proportional to 2,915,417,764.19, 4,026,055,159.35 and 2,756,587,663.67
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Solution
The fourth proportional to 2,915,417,764.19, 4,026,055,159.35 and 2,756,587,663.67 is: 3,806,718,241.83
Step by Step Solution
- Step 1: Write the proportion equation
2,915,417,764.19 : 4,026,055,159.35 = 2,756,587,663.67 : x - Step 2: Convert to fraction form
2,915,417,764.19/4,026,055,159.35 = 2,756,587,663.67/x - Step 3: Cross multiply
2,915,417,764.19x = 4,026,055,159.35 × 2,756,587,663.67 - Step 4: Simplify right side
2,915,417,764.19x = 11,098,173,985,496,002,560 - Step 5: Solve for x
x = 11,098,173,985,496,002,560/2,915,417,764.19 - Step 6: Final answer
x = 3,806,718,241.83
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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.