Finding the Fourth Proportional to 944,688,459.57, 1,303,929,372.68 and 548,339,140.58
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Solution
The fourth proportional to 944,688,459.57, 1,303,929,372.68 and 548,339,140.58 is: 756,858,522.34
Step by Step Solution
- Step 1: Write the proportion equation
944,688,459.57 : 1,303,929,372.68 = 548,339,140.58 : x - Step 2: Convert to fraction form
944,688,459.57/1,303,929,372.68 = 548,339,140.58/x - Step 3: Cross multiply
944,688,459.57x = 1,303,929,372.68 × 548,339,140.58 - Step 4: Simplify right side
944,688,459.57x = 714,995,511,583,108,480 - Step 5: Solve for x
x = 714,995,511,583,108,480/944,688,459.57 - Step 6: Final answer
x = 756,858,522.34
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Double scale
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.