Finding the Fourth Proportional to 7,918,220,717.40, 11,874,307,767.30 and 2,395,643,309.40
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Solution
The fourth proportional to 7,918,220,717.40, 11,874,307,767.30 and 2,395,643,309.40 is: 3,592,550,267.51
Step by Step Solution
- Step 1: Write the proportion equation
7,918,220,717.40 : 11,874,307,767.30 = 2,395,643,309.40 : x - Step 2: Convert to fraction form
7,918,220,717.40/11,874,307,767.30 = 2,395,643,309.40/x - Step 3: Cross multiply
7,918,220,717.40x = 11,874,307,767.30 × 2,395,643,309.40 - Step 4: Simplify right side
7,918,220,717.40x = 28,446,605,956,488,695,808 - Step 5: Solve for x
x = 28,446,605,956,488,695,808/7,918,220,717.40 - Step 6: Final answer
x = 3,592,550,267.51
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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.