Finding the Fourth Proportional to 897,012,245.80, 1,345,518,368.70 and 241,962,005.80
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Solution
The fourth proportional to 897,012,245.80, 1,345,518,368.70 and 241,962,005.80 is: 362,943,008.70
Step by Step Solution
- Step 1: Write the proportion equation
897,012,245.80 : 1,345,518,368.70 = 241,962,005.80 : x - Step 2: Convert to fraction form
897,012,245.80/1,345,518,368.70 = 241,962,005.80/x - Step 3: Cross multiply
897,012,245.80x = 1,345,518,368.70 × 241,962,005.80 - Step 4: Simplify right side
897,012,245.80x = 325,564,323,331,395,968 - Step 5: Solve for x
x = 325,564,323,331,395,968/897,012,245.80 - Step 6: Final answer
x = 362,943,008.70
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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.