Finding the Fourth Proportional to 7,817,910,930.71, 10,788,724,036.29 and 4,249,617,836.75
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Solution
The fourth proportional to 7,817,910,930.71, 10,788,724,036.29 and 4,249,617,836.75 is: 5,864,476,393.60
Step by Step Solution
- Step 1: Write the proportion equation
7,817,910,930.71 : 10,788,724,036.29 = 4,249,617,836.75 : x - Step 2: Convert to fraction form
7,817,910,930.71/10,788,724,036.29 = 4,249,617,836.75/x - Step 3: Cross multiply
7,817,910,930.71x = 10,788,724,036.29 × 4,249,617,836.75 - Step 4: Simplify right side
7,817,910,930.71x = 45,847,954,100,391,444,480 - Step 5: Solve for x
x = 45,847,954,100,391,444,480/7,817,910,930.71 - Step 6: Final answer
x = 5,864,476,393.60
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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.