Finding the Fourth Proportional to 995,748,725.19, 1,374,097,246.40 and 549,702,529.87
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Solution
The fourth proportional to 995,748,725.19, 1,374,097,246.40 and 549,702,529.87 is: 758,569,620.55
Step by Step Solution
- Step 1: Write the proportion equation
995,748,725.19 : 1,374,097,246.40 = 549,702,529.87 : x - Step 2: Convert to fraction form
995,748,725.19/1,374,097,246.40 = 549,702,529.87/x - Step 3: Cross multiply
995,748,725.19x = 1,374,097,246.40 × 549,702,529.87 - Step 4: Simplify right side
995,748,725.19x = 755,344,732,628,794,880 - Step 5: Solve for x
x = 755,344,732,628,794,880/995,748,725.19 - Step 6: Final answer
x = 758,569,620.55
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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.