Finding the Fourth Proportional to 1,572,174,848.32, 2,169,211,247.04 and 1,036,267,120.96
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Solution
The fourth proportional to 1,572,174,848.32, 2,169,211,247.04 and 1,036,267,120.96 is: 1,429,791,537.58
Step by Step Solution
- Step 1: Write the proportion equation
1,572,174,848.32 : 2,169,211,247.04 = 1,036,267,120.96 : x - Step 2: Convert to fraction form
1,572,174,848.32/2,169,211,247.04 = 1,036,267,120.96/x - Step 3: Cross multiply
1,572,174,848.32x = 2,169,211,247.04 × 1,036,267,120.96 - Step 4: Simplify right side
1,572,174,848.32x = 2,247,882,293,724,192,256 - Step 5: Solve for x
x = 2,247,882,293,724,192,256/1,572,174,848.32 - Step 6: Final answer
x = 1,429,791,537.58
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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.