Finding the Fourth Proportional to 8,841,249,767.46, 12,206,431,974.84 and 5,627,973,470.01
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Solution
The fourth proportional to 8,841,249,767.46, 12,206,431,974.84 and 5,627,973,470.01 is: 7,770,109,105.02
Step by Step Solution
- Step 1: Write the proportion equation
8,841,249,767.46 : 12,206,431,974.84 = 5,627,973,470.01 : x - Step 2: Convert to fraction form
8,841,249,767.46/12,206,431,974.84 = 5,627,973,470.01/x - Step 3: Cross multiply
8,841,249,767.46x = 12,206,431,974.84 × 5,627,973,470.01 - Step 4: Simplify right side
8,841,249,767.46x = 68,697,475,317,881,298,944 - Step 5: Solve for x
x = 68,697,475,317,881,298,944/8,841,249,767.46 - Step 6: Final answer
x = 7,770,109,105.02
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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.