Finding the Fourth Proportional to 476,495,101.80, 714,742,652.70 and 476,495,101.80
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Solution
The fourth proportional to 476,495,101.80, 714,742,652.70 and 476,495,101.80 is: 714,742,652.70
Step by Step Solution
- Step 1: Write the proportion equation
476,495,101.80 : 714,742,652.70 = 476,495,101.80 : x - Step 2: Convert to fraction form
476,495,101.80/714,742,652.70 = 476,495,101.80/x - Step 3: Cross multiply
476,495,101.80x = 714,742,652.70 × 476,495,101.80 - Step 4: Simplify right side
476,495,101.80x = 340,571,373,059,088,576 - Step 5: Solve for x
x = 340,571,373,059,088,576/476,495,101.80 - Step 6: Final answer
x = 714,742,652.70
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Double scale
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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.