Finding the Fourth Proportional to 457,779,281.92, 631,752,022.08 and 262,246,785.28
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Solution
The fourth proportional to 457,779,281.92, 631,752,022.08 and 262,246,785.28 is: 361,910,080.75
Step by Step Solution
- Step 1: Write the proportion equation
457,779,281.92 : 631,752,022.08 = 262,246,785.28 : x - Step 2: Convert to fraction form
457,779,281.92/631,752,022.08 = 262,246,785.28/x - Step 3: Cross multiply
457,779,281.92x = 631,752,022.08 × 262,246,785.28 - Step 4: Simplify right side
457,779,281.92x = 165,674,936,884,619,584 - Step 5: Solve for x
x = 165,674,936,884,619,584/457,779,281.92 - Step 6: Final answer
x = 361,910,080.75
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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.