Finding the Fourth Proportional to 1,043,281,248.60, 1,564,921,872.90 and 559,551,840.60
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Solution
The fourth proportional to 1,043,281,248.60, 1,564,921,872.90 and 559,551,840.60 is: 839,327,760.90
Step by Step Solution
- Step 1: Write the proportion equation
1,043,281,248.60 : 1,564,921,872.90 = 559,551,840.60 : x - Step 2: Convert to fraction form
1,043,281,248.60/1,564,921,872.90 = 559,551,840.60/x - Step 3: Cross multiply
1,043,281,248.60x = 1,564,921,872.90 × 559,551,840.60 - Step 4: Simplify right side
1,043,281,248.60x = 875,654,914,376,394,368 - Step 5: Solve for x
x = 875,654,914,376,394,368/1,043,281,248.60 - Step 6: Final answer
x = 839,327,760.90
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Double scale
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Similar ratio
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1.5x scale
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.