Finding the Fourth Proportional to 9,937,356,331.20, 14,893,374,391.20 and 5,281,460,779.20
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Solution
The fourth proportional to 9,937,356,331.20, 14,893,374,391.20 and 5,281,460,779.20 is: 7,915,462,633.67
Step by Step Solution
- Step 1: Write the proportion equation
9,937,356,331.20 : 14,893,374,391.20 = 5,281,460,779.20 : x - Step 2: Convert to fraction form
9,937,356,331.20/14,893,374,391.20 = 5,281,460,779.20/x - Step 3: Cross multiply
9,937,356,331.20x = 14,893,374,391.20 × 5,281,460,779.20 - Step 4: Simplify right side
9,937,356,331.20x = 78,658,772,717,064,486,912 - Step 5: Solve for x
x = 78,658,772,717,064,486,912/9,937,356,331.20 - Step 6: Final answer
x = 7,915,462,633.67
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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.