Finding the Fourth Proportional to 7,175,280,230.90, 10,762,920,346.35 and 6,716,115,206.90
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Solution
The fourth proportional to 7,175,280,230.90, 10,762,920,346.35 and 6,716,115,206.90 is: 10,074,172,810.35
Step by Step Solution
- Step 1: Write the proportion equation
7,175,280,230.90 : 10,762,920,346.35 = 6,716,115,206.90 : x - Step 2: Convert to fraction form
7,175,280,230.90/10,762,920,346.35 = 6,716,115,206.90/x - Step 3: Cross multiply
7,175,280,230.90x = 10,762,920,346.35 × 6,716,115,206.90 - Step 4: Simplify right side
7,175,280,230.90x = 72,285,013,008,774,651,904 - Step 5: Solve for x
x = 72,285,013,008,774,651,904/7,175,280,230.90 - Step 6: Final answer
x = 10,074,172,810.35
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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.