Finding the Fourth Proportional to 14,289,301,698.24, 19,721,704,554.51 and 8,271,125,349.21
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Solution
The fourth proportional to 14,289,301,698.24, 19,721,704,554.51 and 8,271,125,349.21 is: 11,415,581,664.89
Step by Step Solution
- Step 1: Write the proportion equation
14,289,301,698.24 : 19,721,704,554.51 = 8,271,125,349.21 : x - Step 2: Convert to fraction form
14,289,301,698.24/19,721,704,554.51 = 8,271,125,349.21/x - Step 3: Cross multiply
14,289,301,698.24x = 19,721,704,554.51 × 8,271,125,349.21 - Step 4: Simplify right side
14,289,301,698.24x = 163,120,690,470,445,842,432 - Step 5: Solve for x
x = 163,120,690,470,445,842,432/14,289,301,698.24 - Step 6: Final answer
x = 11,415,581,664.89
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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.