Finding the Fourth Proportional to 1,417,184,087.10, 2,125,776,130.65 and 1,072,810,319.10
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Solution
The fourth proportional to 1,417,184,087.10, 2,125,776,130.65 and 1,072,810,319.10 is: 1,609,215,478.65
Step by Step Solution
- Step 1: Write the proportion equation
1,417,184,087.10 : 2,125,776,130.65 = 1,072,810,319.10 : x - Step 2: Convert to fraction form
1,417,184,087.10/2,125,776,130.65 = 1,072,810,319.10/x - Step 3: Cross multiply
1,417,184,087.10x = 2,125,776,130.65 × 1,072,810,319.10 - Step 4: Simplify right side
1,417,184,087.10x = 2,280,554,569,057,789,952 - Step 5: Solve for x
x = 2,280,554,569,057,789,952/1,417,184,087.10 - Step 6: Final answer
x = 1,609,215,478.65
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Double scale
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Similar ratio
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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.