Finding the Fourth Proportional to 966,681,373.79, 1,333,787,590.87 and 564,567,082.43
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Solution
The fourth proportional to 966,681,373.79, 1,333,787,590.87 and 564,567,082.43 is: 778,966,667.99
Step by Step Solution
- Step 1: Write the proportion equation
966,681,373.79 : 1,333,787,590.87 = 564,567,082.43 : x - Step 2: Convert to fraction form
966,681,373.79/1,333,787,590.87 = 564,567,082.43/x - Step 3: Cross multiply
966,681,373.79x = 1,333,787,590.87 × 564,567,082.43 - Step 4: Simplify right side
966,681,373.79x = 753,012,568,750,734,080 - Step 5: Solve for x
x = 753,012,568,750,734,080/966,681,373.79 - Step 6: Final answer
x = 778,966,667.99
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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.