Finding the Fourth Proportional to 1,519,712,824.11, 2,097,225,115.53 and 875,612,782.81
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Solution
The fourth proportional to 1,519,712,824.11, 2,097,225,115.53 and 875,612,782.81 is: 1,208,357,980.83
Step by Step Solution
- Step 1: Write the proportion equation
1,519,712,824.11 : 2,097,225,115.53 = 875,612,782.81 : x - Step 2: Convert to fraction form
1,519,712,824.11/2,097,225,115.53 = 875,612,782.81/x - Step 3: Cross multiply
1,519,712,824.11x = 2,097,225,115.53 × 875,612,782.81 - Step 4: Simplify right side
1,519,712,824.11x = 1,836,357,119,583,868,928 - Step 5: Solve for x
x = 1,836,357,119,583,868,928/1,519,712,824.11 - Step 6: Final answer
x = 1,208,357,980.83
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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.