Finding the Fourth Proportional to 530,134,221.80, 795,201,332.70 and 166,628,577.80
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Solution
The fourth proportional to 530,134,221.80, 795,201,332.70 and 166,628,577.80 is: 249,942,866.70
Step by Step Solution
- Step 1: Write the proportion equation
530,134,221.80 : 795,201,332.70 = 166,628,577.80 : x - Step 2: Convert to fraction form
530,134,221.80/795,201,332.70 = 166,628,577.80/x - Step 3: Cross multiply
530,134,221.80x = 795,201,332.70 × 166,628,577.80 - Step 4: Simplify right side
530,134,221.80x = 132,503,267,132,465,648 - Step 5: Solve for x
x = 132,503,267,132,465,648/530,134,221.80 - Step 6: Final answer
x = 249,942,866.70
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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.