Finding the Fourth Proportional to 1,063,127,284.80, 1,594,690,927.20 and 286,771,444.80
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Solution
The fourth proportional to 1,063,127,284.80, 1,594,690,927.20 and 286,771,444.80 is: 430,157,167.20
Step by Step Solution
- Step 1: Write the proportion equation
1,063,127,284.80 : 1,594,690,927.20 = 286,771,444.80 : x - Step 2: Convert to fraction form
1,063,127,284.80/1,594,690,927.20 = 286,771,444.80/x - Step 3: Cross multiply
1,063,127,284.80x = 1,594,690,927.20 × 286,771,444.80 - Step 4: Simplify right side
1,063,127,284.80x = 457,311,821,202,595,648 - Step 5: Solve for x
x = 457,311,821,202,595,648/1,063,127,284.80 - Step 6: Final answer
x = 430,157,167.20
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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.