Finding the Fourth Proportional to 651,497,354.40, 977,246,031.60 and 651,497,354.40
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Solution
The fourth proportional to 651,497,354.40, 977,246,031.60 and 651,497,354.40 is: 977,246,031.60
Step by Step Solution
- Step 1: Write the proportion equation
651,497,354.40 : 977,246,031.60 = 651,497,354.40 : x - Step 2: Convert to fraction form
651,497,354.40/977,246,031.60 = 651,497,354.40/x - Step 3: Cross multiply
651,497,354.40x = 977,246,031.60 × 651,497,354.40 - Step 4: Simplify right side
651,497,354.40x = 636,673,204,185,298,816 - Step 5: Solve for x
x = 636,673,204,185,298,816/651,497,354.40 - Step 6: Final answer
x = 977,246,031.60
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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.