Finding the Fourth Proportional to 1,334,637,007.80, 2,001,955,511.70 and 898,146,799.80
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Solution
The fourth proportional to 1,334,637,007.80, 2,001,955,511.70 and 898,146,799.80 is: 1,347,220,199.70
Step by Step Solution
- Step 1: Write the proportion equation
1,334,637,007.80 : 2,001,955,511.70 = 898,146,799.80 : x - Step 2: Convert to fraction form
1,334,637,007.80/2,001,955,511.70 = 898,146,799.80/x - Step 3: Cross multiply
1,334,637,007.80x = 2,001,955,511.70 × 898,146,799.80 - Step 4: Simplify right side
1,334,637,007.80x = 1,798,049,936,175,326,464 - Step 5: Solve for x
x = 1,798,049,936,175,326,464/1,334,637,007.80 - Step 6: Final answer
x = 1,347,220,199.70
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1.5x scale
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.