Finding the Fourth Proportional to 689,382,612.68, 951,346,709.98 and 376,117,038.86
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Solution
The fourth proportional to 689,382,612.68, 951,346,709.98 and 376,117,038.86 is: 519,040,806.81
Step by Step Solution
- Step 1: Write the proportion equation
689,382,612.68 : 951,346,709.98 = 376,117,038.86 : x - Step 2: Convert to fraction form
689,382,612.68/951,346,709.98 = 376,117,038.86/x - Step 3: Cross multiply
689,382,612.68x = 951,346,709.98 × 376,117,038.86 - Step 4: Simplify right side
689,382,612.68x = 357,817,707,481,183,808 - Step 5: Solve for x
x = 357,817,707,481,183,808/689,382,612.68 - Step 6: Final answer
x = 519,040,806.81
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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.