Finding the Fourth Proportional to 856,944,160.36, 1,182,712,209.78 and 522,610,646.92
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Solution
The fourth proportional to 856,944,160.36, 1,182,712,209.78 and 522,610,646.92 is: 721,281,527.62
Step by Step Solution
- Step 1: Write the proportion equation
856,944,160.36 : 1,182,712,209.78 = 522,610,646.92 : x - Step 2: Convert to fraction form
856,944,160.36/1,182,712,209.78 = 522,610,646.92/x - Step 3: Cross multiply
856,944,160.36x = 1,182,712,209.78 × 522,610,646.92 - Step 4: Simplify right side
856,944,160.36x = 618,097,993,073,308,544 - Step 5: Solve for x
x = 618,097,993,073,308,544/856,944,160.36 - Step 6: Final answer
x = 721,281,527.62
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1.5x scale
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.