Finding the Fourth Proportional to 3,219,272,030.40, 4,828,908,045.60 and 2,811,125,342.40
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Solution
The fourth proportional to 3,219,272,030.40, 4,828,908,045.60 and 2,811,125,342.40 is: 4,216,688,013.60
Step by Step Solution
- Step 1: Write the proportion equation
3,219,272,030.40 : 4,828,908,045.60 = 2,811,125,342.40 : x - Step 2: Convert to fraction form
3,219,272,030.40/4,828,908,045.60 = 2,811,125,342.40/x - Step 3: Cross multiply
3,219,272,030.40x = 4,828,908,045.60 × 2,811,125,342.40 - Step 4: Simplify right side
3,219,272,030.40x = 13,574,665,783,105,417,216 - Step 5: Solve for x
x = 13,574,665,783,105,417,216/3,219,272,030.40 - Step 6: Final answer
x = 4,216,688,013.60
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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.