Finding the Fourth Proportional to 1,529,127,813.60, 2,294,587,515.60 and 559,877,407.20
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Solution
The fourth proportional to 1,529,127,813.60, 2,294,587,515.60 and 559,877,407.20 is: 840,144,098.75
Step by Step Solution
- Step 1: Write the proportion equation
1,529,127,813.60 : 2,294,587,515.60 = 559,877,407.20 : x - Step 2: Convert to fraction form
1,529,127,813.60/2,294,587,515.60 = 559,877,407.20/x - Step 3: Cross multiply
1,529,127,813.60x = 2,294,587,515.60 × 559,877,407.20 - Step 4: Simplify right side
1,529,127,813.60x = 1,284,687,708,827,617,536 - Step 5: Solve for x
x = 1,284,687,708,827,617,536/1,529,127,813.60 - Step 6: Final answer
x = 840,144,098.75
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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.