Finding the Fourth Proportional to 1,738,243,567.80, 2,607,827,246.10 and 755,248,303.80
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Solution
The fourth proportional to 1,738,243,567.80, 2,607,827,246.10 and 755,248,303.80 is: 1,133,073,143.89
Step by Step Solution
- Step 1: Write the proportion equation
1,738,243,567.80 : 2,607,827,246.10 = 755,248,303.80 : x - Step 2: Convert to fraction form
1,738,243,567.80/2,607,827,246.10 = 755,248,303.80/x - Step 3: Cross multiply
1,738,243,567.80x = 2,607,827,246.10 × 755,248,303.80 - Step 4: Simplify right side
1,738,243,567.80x = 1,969,557,104,220,450,048 - Step 5: Solve for x
x = 1,969,557,104,220,450,048/1,738,243,567.80 - Step 6: Final answer
x = 1,133,073,143.89
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1.5x scale
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.