Finding the Fourth Proportional to 5,038,884,013.80, 7,558,326,020.70 and 2,130,838,861.80
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Solution
The fourth proportional to 5,038,884,013.80, 7,558,326,020.70 and 2,130,838,861.80 is: 3,196,258,292.70
Step by Step Solution
- Step 1: Write the proportion equation
5,038,884,013.80 : 7,558,326,020.70 = 2,130,838,861.80 : x - Step 2: Convert to fraction form
5,038,884,013.80/7,558,326,020.70 = 2,130,838,861.80/x - Step 3: Cross multiply
5,038,884,013.80x = 7,558,326,020.70 × 2,130,838,861.80 - Step 4: Simplify right side
5,038,884,013.80x = 16,105,574,815,061,710,848 - Step 5: Solve for x
x = 16,105,574,815,061,710,848/5,038,884,013.80 - Step 6: Final answer
x = 3,196,258,292.70
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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.