Finding the Fourth Proportional to 7,243,344,202.30, 10,865,016,303.45 and 6,898,970,434.30
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Solution
The fourth proportional to 7,243,344,202.30, 10,865,016,303.45 and 6,898,970,434.30 is: 10,348,455,651.45
Step by Step Solution
- Step 1: Write the proportion equation
7,243,344,202.30 : 10,865,016,303.45 = 6,898,970,434.30 : x - Step 2: Convert to fraction form
7,243,344,202.30/10,865,016,303.45 = 6,898,970,434.30/x - Step 3: Cross multiply
7,243,344,202.30x = 10,865,016,303.45 × 6,898,970,434.30 - Step 4: Simplify right side
7,243,344,202.30x = 74,957,426,245,689,032,704 - Step 5: Solve for x
x = 74,957,426,245,689,032,704/7,243,344,202.30 - Step 6: Final answer
x = 10,348,455,651.45
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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.