Finding the Fourth Proportional to 736,338,340.79, 1,016,168,471.31 and 401,832,417.23
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Solution
The fourth proportional to 736,338,340.79, 1,016,168,471.31 and 401,832,417.23 is: 554,540,501.99
Step by Step Solution
- Step 1: Write the proportion equation
736,338,340.79 : 1,016,168,471.31 = 401,832,417.23 : x - Step 2: Convert to fraction form
736,338,340.79/1,016,168,471.31 = 401,832,417.23/x - Step 3: Cross multiply
736,338,340.79x = 1,016,168,471.31 × 401,832,417.23 - Step 4: Simplify right side
736,338,340.79x = 408,329,433,134,330,368 - Step 5: Solve for x
x = 408,329,433,134,330,368/736,338,340.79 - Step 6: Final answer
x = 554,540,501.99
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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.