Finding the Fourth Proportional to 1,475,617,474.21, 2,213,813,869.15 and 530,311,003.58
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Solution
The fourth proportional to 1,475,617,474.21, 2,213,813,869.15 and 530,311,003.58 is: 795,605,822.79
Step by Step Solution
- Step 1: Write the proportion equation
1,475,617,474.21 : 2,213,813,869.15 = 530,311,003.58 : x - Step 2: Convert to fraction form
1,475,617,474.21/2,213,813,869.15 = 530,311,003.58/x - Step 3: Cross multiply
1,475,617,474.21x = 2,213,813,869.15 × 530,311,003.58 - Step 4: Simplify right side
1,475,617,474.21x = 1,174,009,854,696,925,696 - Step 5: Solve for x
x = 1,174,009,854,696,925,696/1,475,617,474.21 - Step 6: Final answer
x = 795,605,822.79
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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.