Finding the Fourth Proportional to 1,376,366,138,809.40, 1,899,387,155,231.50 and 750,648,419,349.02
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Solution
The fourth proportional to 1,376,366,138,809.40, 1,899,387,155,231.50 and 750,648,419,349.02 is: 1,035,895,846,028.07
Step by Step Solution
- Step 1: Write the proportion equation
1,376,366,138,809.40 : 1,899,387,155,231.50 = 750,648,419,349.02 : x - Step 2: Convert to fraction form
1,376,366,138,809.40/1,899,387,155,231.50 = 750,648,419,349.02/x - Step 3: Cross multiply
1,376,366,138,809.40x = 1,899,387,155,231.50 × 750,648,419,349.02 - Step 4: Simplify right side
1,376,366,138,809.40x = 1,425,771,965,806,357,107,441,664 - Step 5: Solve for x
x = 1,425,771,965,806,357,107,441,664/1,376,366,138,809.40 - Step 6: Final answer
x = 1,035,895,846,028.07
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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.