Finding the Fourth Proportional to 695,518,343.60, 1,043,277,515.40 and 522,056,001.20
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Solution
The fourth proportional to 695,518,343.60, 1,043,277,515.40 and 522,056,001.20 is: 783,084,001.80
Step by Step Solution
- Step 1: Write the proportion equation
695,518,343.60 : 1,043,277,515.40 = 522,056,001.20 : x - Step 2: Convert to fraction form
695,518,343.60/1,043,277,515.40 = 522,056,001.20/x - Step 3: Cross multiply
695,518,343.60x = 1,043,277,515.40 × 522,056,001.20 - Step 4: Simplify right side
695,518,343.60x = 544,649,287,831,595,392 - Step 5: Solve for x
x = 544,649,287,831,595,392/695,518,343.60 - Step 6: Final answer
x = 783,084,001.80
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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.