Finding the Fourth Proportional to 1,023,368,253.74, 1,412,248,192.38 and 553,469,574.68
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Solution
The fourth proportional to 1,023,368,253.74, 1,412,248,192.38 and 553,469,574.68 is: 763,788,014.26
Step by Step Solution
- Step 1: Write the proportion equation
1,023,368,253.74 : 1,412,248,192.38 = 553,469,574.68 : x - Step 2: Convert to fraction form
1,023,368,253.74/1,412,248,192.38 = 553,469,574.68/x - Step 3: Cross multiply
1,023,368,253.74x = 1,412,248,192.38 × 553,469,574.68 - Step 4: Simplify right side
1,023,368,253.74x = 781,636,406,372,096,128 - Step 5: Solve for x
x = 781,636,406,372,096,128/1,023,368,253.74 - Step 6: Final answer
x = 763,788,014.26
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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.