Finding the Fourth Proportional to 880,940,646.58, 1,318,536,721.98 and 647,709,518.74
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Solution
The fourth proportional to 880,940,646.58, 1,318,536,721.98 and 647,709,518.74 is: 969,450,994.17
Step by Step Solution
- Step 1: Write the proportion equation
880,940,646.58 : 1,318,536,721.98 = 647,709,518.74 : x - Step 2: Convert to fraction form
880,940,646.58/1,318,536,721.98 = 647,709,518.74/x - Step 3: Cross multiply
880,940,646.58x = 1,318,536,721.98 × 647,709,518.74 - Step 4: Simplify right side
880,940,646.58x = 854,028,785,634,683,008 - Step 5: Solve for x
x = 854,028,785,634,683,008/880,940,646.58 - Step 6: Final answer
x = 969,450,994.17
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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.