Finding the Fourth Proportional to 1,335,553,440.68, 1,843,056,958.97 and 740,831,767.90
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Solution
The fourth proportional to 1,335,553,440.68, 1,843,056,958.97 and 740,831,767.90 is: 1,022,344,073.74
Step by Step Solution
- Step 1: Write the proportion equation
1,335,553,440.68 : 1,843,056,958.97 = 740,831,767.90 : x - Step 2: Convert to fraction form
1,335,553,440.68/1,843,056,958.97 = 740,831,767.90/x - Step 3: Cross multiply
1,335,553,440.68x = 1,843,056,958.97 × 740,831,767.90 - Step 4: Simplify right side
1,335,553,440.68x = 1,365,395,145,251,387,392 - Step 5: Solve for x
x = 1,365,395,145,251,387,392/1,335,553,440.68 - Step 6: Final answer
x = 1,022,344,073.74
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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.