Finding the Fourth Proportional to 537,412,331.44, 805,743,705.84 and 238,118,474.28
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Solution
The fourth proportional to 537,412,331.44, 805,743,705.84 and 238,118,474.28 is: 357,011,647.61
Step by Step Solution
- Step 1: Write the proportion equation
537,412,331.44 : 805,743,705.84 = 238,118,474.28 : x - Step 2: Convert to fraction form
537,412,331.44/805,743,705.84 = 238,118,474.28/x - Step 3: Cross multiply
537,412,331.44x = 805,743,705.84 × 238,118,474.28 - Step 4: Simplify right side
537,412,331.44x = 191,862,461,895,333,920 - Step 5: Solve for x
x = 191,862,461,895,333,920/537,412,331.44 - Step 6: Final answer
x = 357,011,647.61
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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.