Finding the Fourth Proportional to 577,252,151.74, 865,790,739.86 and 157,106,263.79
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Solution
The fourth proportional to 577,252,151.74, 865,790,739.86 and 157,106,263.79 is: 235,635,584.82
Step by Step Solution
- Step 1: Write the proportion equation
577,252,151.74 : 865,790,739.86 = 157,106,263.79 : x - Step 2: Convert to fraction form
577,252,151.74/865,790,739.86 = 157,106,263.79/x - Step 3: Cross multiply
577,252,151.74x = 865,790,739.86 × 157,106,263.79 - Step 4: Simplify right side
577,252,151.74x = 136,021,148,365,941,648 - Step 5: Solve for x
x = 136,021,148,365,941,648/577,252,151.74 - Step 6: Final answer
x = 235,635,584.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.