Finding the Fourth Proportional to 689,549,377.68, 951,598,237.05 and 376,303,768.29
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Solution
The fourth proportional to 689,549,377.68, 951,598,237.05 and 376,303,768.29 is: 519,310,167.03
Step by Step Solution
- Step 1: Write the proportion equation
689,549,377.68 : 951,598,237.05 = 376,303,768.29 : x - Step 2: Convert to fraction form
689,549,377.68/951,598,237.05 = 376,303,768.29/x - Step 3: Cross multiply
689,549,377.68x = 951,598,237.05 × 376,303,768.29 - Step 4: Simplify right side
689,549,377.68x = 358,090,002,500,035,712 - Step 5: Solve for x
x = 358,090,002,500,035,712/689,549,377.68 - Step 6: Final answer
x = 519,310,167.03
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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.