Finding the Fourth Proportional to 1,498,176,005.80, 2,247,264,008.70 and 772,581,893.80
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Solution
The fourth proportional to 1,498,176,005.80, 2,247,264,008.70 and 772,581,893.80 is: 1,158,872,840.70
Step by Step Solution
- Step 1: Write the proportion equation
1,498,176,005.80 : 2,247,264,008.70 = 772,581,893.80 : x - Step 2: Convert to fraction form
1,498,176,005.80/2,247,264,008.70 = 772,581,893.80/x - Step 3: Cross multiply
1,498,176,005.80x = 2,247,264,008.70 × 772,581,893.80 - Step 4: Simplify right side
1,498,176,005.80x = 1,736,195,483,710,025,472 - Step 5: Solve for x
x = 1,736,195,483,710,025,472/1,498,176,005.80 - Step 6: Final answer
x = 1,158,872,840.70
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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.