Finding the Fourth Proportional to 420,250,710.15, 630,758,596.63 and 223,679,154.09
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Solution
The fourth proportional to 420,250,710.15, 630,758,596.63 and 223,679,154.09 is: 335,722,334.13
Step by Step Solution
- Step 1: Write the proportion equation
420,250,710.15 : 630,758,596.63 = 223,679,154.09 : x - Step 2: Convert to fraction form
420,250,710.15/630,758,596.63 = 223,679,154.09/x - Step 3: Cross multiply
420,250,710.15x = 630,758,596.63 × 223,679,154.09 - Step 4: Simplify right side
420,250,710.15x = 141,087,549,331,000,080 - Step 5: Solve for x
x = 141,087,549,331,000,080/420,250,710.15 - Step 6: Final answer
x = 335,722,334.13
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.