Finding the Fourth Proportional to 970,236,420.40, 1,455,354,630.60 and 533,368,298.80
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Solution
The fourth proportional to 970,236,420.40, 1,455,354,630.60 and 533,368,298.80 is: 800,052,448.20
Step by Step Solution
- Step 1: Write the proportion equation
970,236,420.40 : 1,455,354,630.60 = 533,368,298.80 : x - Step 2: Convert to fraction form
970,236,420.40/1,455,354,630.60 = 533,368,298.80/x - Step 3: Cross multiply
970,236,420.40x = 1,455,354,630.60 × 533,368,298.80 - Step 4: Simplify right side
970,236,420.40x = 776,240,023,473,824,384 - Step 5: Solve for x
x = 776,240,023,473,824,384/970,236,420.40 - Step 6: Final answer
x = 800,052,448.20
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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.