Finding the Fourth Proportional to 1,444,176,417.15, 1,992,971,410.52 and 784,126,695.15
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Solution
The fourth proportional to 1,444,176,417.15, 1,992,971,410.52 and 784,126,695.15 is: 1,082,099,158.45
Step by Step Solution
- Step 1: Write the proportion equation
1,444,176,417.15 : 1,992,971,410.52 = 784,126,695.15 : x - Step 2: Convert to fraction form
1,444,176,417.15/1,992,971,410.52 = 784,126,695.15/x - Step 3: Cross multiply
1,444,176,417.15x = 1,992,971,410.52 × 784,126,695.15 - Step 4: Simplify right side
1,444,176,417.15x = 1,562,742,085,655,560,960 - Step 5: Solve for x
x = 1,562,742,085,655,560,960/1,444,176,417.15 - Step 6: Final answer
x = 1,082,099,158.45
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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.