Finding the Fourth Proportional to 3,219,272,032.40, 4,828,908,048.60 and 2,811,125,344.40
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Solution
The fourth proportional to 3,219,272,032.40, 4,828,908,048.60 and 2,811,125,344.40 is: 4,216,688,016.60
Step by Step Solution
- Step 1: Write the proportion equation
3,219,272,032.40 : 4,828,908,048.60 = 2,811,125,344.40 : x - Step 2: Convert to fraction form
3,219,272,032.40/4,828,908,048.60 = 2,811,125,344.40/x - Step 3: Cross multiply
3,219,272,032.40x = 4,828,908,048.60 × 2,811,125,344.40 - Step 4: Simplify right side
3,219,272,032.40x = 13,574,665,801,196,607,488 - Step 5: Solve for x
x = 13,574,665,801,196,607,488/3,219,272,032.40 - Step 6: Final answer
x = 4,216,688,016.60
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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.