Finding the Fourth Proportional to 653,184,147.30, 979,776,220.95 and 576,656,643.30
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Solution
The fourth proportional to 653,184,147.30, 979,776,220.95 and 576,656,643.30 is: 864,984,964.95
Step by Step Solution
- Step 1: Write the proportion equation
653,184,147.30 : 979,776,220.95 = 576,656,643.30 : x - Step 2: Convert to fraction form
653,184,147.30/979,776,220.95 = 576,656,643.30/x - Step 3: Cross multiply
653,184,147.30x = 979,776,220.95 × 576,656,643.30 - Step 4: Simplify right side
653,184,147.30x = 564,994,466,758,186,112 - Step 5: Solve for x
x = 564,994,466,758,186,112/653,184,147.30 - Step 6: Final answer
x = 864,984,964.95
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Double scale
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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.