Finding the Fourth Proportional to 549,813,809.70, 824,720,714.55 and 549,813,809.70
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Solution
The fourth proportional to 549,813,809.70, 824,720,714.55 and 549,813,809.70 is: 824,720,714.55
Step by Step Solution
- Step 1: Write the proportion equation
549,813,809.70 : 824,720,714.55 = 549,813,809.70 : x - Step 2: Convert to fraction form
549,813,809.70/824,720,714.55 = 549,813,809.70/x - Step 3: Cross multiply
549,813,809.70x = 824,720,714.55 × 549,813,809.70 - Step 4: Simplify right side
549,813,809.70x = 453,442,838,005,241,728 - Step 5: Solve for x
x = 453,442,838,005,241,728/549,813,809.70 - Step 6: Final answer
x = 824,720,714.55
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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.