Finding the Fourth Proportional to 5,038,884,014.80, 7,558,326,022.20 and 2,130,838,862.80
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Solution
The fourth proportional to 5,038,884,014.80, 7,558,326,022.20 and 2,130,838,862.80 is: 3,196,258,294.20
Step by Step Solution
- Step 1: Write the proportion equation
5,038,884,014.80 : 7,558,326,022.20 = 2,130,838,862.80 : x - Step 2: Convert to fraction form
5,038,884,014.80/7,558,326,022.20 = 2,130,838,862.80/x - Step 3: Cross multiply
5,038,884,014.80x = 7,558,326,022.20 × 2,130,838,862.80 - Step 4: Simplify right side
5,038,884,014.80x = 16,105,574,825,816,295,424 - Step 5: Solve for x
x = 16,105,574,825,816,295,424/5,038,884,014.80 - Step 6: Final answer
x = 3,196,258,294.20
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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.