Finding the Fourth Proportional to 9,578,519,749.90, 14,367,779,624.85 and 5,660,311,545.10
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Solution
The fourth proportional to 9,578,519,749.90, 14,367,779,624.85 and 5,660,311,545.10 is: 8,490,467,317.65
Step by Step Solution
- Step 1: Write the proportion equation
9,578,519,749.90 : 14,367,779,624.85 = 5,660,311,545.10 : x - Step 2: Convert to fraction form
9,578,519,749.90/14,367,779,624.85 = 5,660,311,545.10/x - Step 3: Cross multiply
9,578,519,749.90x = 14,367,779,624.85 × 5,660,311,545.10 - Step 4: Simplify right side
9,578,519,749.90x = 81,326,108,887,991,009,280 - Step 5: Solve for x
x = 81,326,108,887,991,009,280/9,578,519,749.90 - Step 6: Final answer
x = 8,490,467,317.65
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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.