Finding the Fourth Proportional to 1,202,985,924,641.20, 1,805,221,103,629.30 and 557,471,231,780.31
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Solution
The fourth proportional to 1,202,985,924,641.20, 1,805,221,103,629.30 and 557,471,231,780.31 is: 836,550,795,535.03
Step by Step Solution
- Step 1: Write the proportion equation
1,202,985,924,641.20 : 1,805,221,103,629.30 = 557,471,231,780.31 : x - Step 2: Convert to fraction form
1,202,985,924,641.20/1,805,221,103,629.30 = 557,471,231,780.31/x - Step 3: Cross multiply
1,202,985,924,641.20x = 1,805,221,103,629.30 × 557,471,231,780.31 - Step 4: Simplify right side
1,202,985,924,641.20x = 1,006,358,832,276,036,680,417,280 - Step 5: Solve for x
x = 1,006,358,832,276,036,680,417,280/1,202,985,924,641.20 - Step 6: Final answer
x = 836,550,795,535.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.