Finding the Fourth Proportional to 1,618,734,263.74, 2,424,423,927.30 and 1,266,786,963.34
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Solution
The fourth proportional to 1,618,734,263.74, 2,424,423,927.30 and 1,266,786,963.34 is: 1,897,302,536.62
Step by Step Solution
- Step 1: Write the proportion equation
1,618,734,263.74 : 2,424,423,927.30 = 1,266,786,963.34 : x - Step 2: Convert to fraction form
1,618,734,263.74/2,424,423,927.30 = 1,266,786,963.34/x - Step 3: Cross multiply
1,618,734,263.74x = 2,424,423,927.30 × 1,266,786,963.34 - Step 4: Simplify right side
1,618,734,263.74x = 3,071,228,624,713,203,712 - Step 5: Solve for x
x = 3,071,228,624,713,203,712/1,618,734,263.74 - Step 6: Final answer
x = 1,897,302,536.62
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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.