Finding the Fourth Proportional to 2,807,820,672.30, 3,878,828,587.08 and 2,242,563,417
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Solution
The fourth proportional to 2,807,820,672.30, 3,878,828,587.08 and 2,242,563,417 is: 3,097,961,054.28
Step by Step Solution
- Step 1: Write the proportion equation
2,807,820,672.30 : 3,878,828,587.08 = 2,242,563,417 : x - Step 2: Convert to fraction form
2,807,820,672.30/3,878,828,587.08 = 2,242,563,417/x - Step 3: Cross multiply
2,807,820,672.30x = 3,878,828,587.08 × 2,242,563,417 - Step 4: Simplify right side
2,807,820,672.30x = 8,698,519,090,199,406,592 - Step 5: Solve for x
x = 8,698,519,090,199,406,592/2,807,820,672.30 - Step 6: Final answer
x = 3,097,961,054.28
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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.