Finding the Fourth Proportional to 620,865,008.10, 930,943,218.15 and 232,700,501.70
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Solution
The fourth proportional to 620,865,008.10, 930,943,218.15 and 232,700,501.70 is: 348,917,962.99
Step by Step Solution
- Step 1: Write the proportion equation
620,865,008.10 : 930,943,218.15 = 232,700,501.70 : x - Step 2: Convert to fraction form
620,865,008.10/930,943,218.15 = 232,700,501.70/x - Step 3: Cross multiply
620,865,008.10x = 930,943,218.15 × 232,700,501.70 - Step 4: Simplify right side
620,865,008.10x = 216,630,953,917,717,536 - Step 5: Solve for x
x = 216,630,953,917,717,536/620,865,008.10 - Step 6: Final answer
x = 348,917,962.99
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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.