Finding the Fourth Proportional to 537,178,660.81, 805,767,939.28 and 149,001,508.09
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Solution
The fourth proportional to 537,178,660.81, 805,767,939.28 and 149,001,508.09 is: 223,502,247.72
Step by Step Solution
- Step 1: Write the proportion equation
537,178,660.81 : 805,767,939.28 = 149,001,508.09 : x - Step 2: Convert to fraction form
537,178,660.81/805,767,939.28 = 149,001,508.09/x - Step 3: Cross multiply
537,178,660.81x = 805,767,939.28 × 149,001,508.09 - Step 4: Simplify right side
537,178,660.81x = 120,060,638,118,517,712 - Step 5: Solve for x
x = 120,060,638,118,517,712/537,178,660.81 - Step 6: Final answer
x = 223,502,247.72
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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.