Finding the Fourth Proportional to 5,038,884,030.80, 7,558,326,046.20 and 2,130,838,878.80
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Solution
The fourth proportional to 5,038,884,030.80, 7,558,326,046.20 and 2,130,838,878.80 is: 3,196,258,318.20
Step by Step Solution
- Step 1: Write the proportion equation
5,038,884,030.80 : 7,558,326,046.20 = 2,130,838,878.80 : x - Step 2: Convert to fraction form
5,038,884,030.80/7,558,326,046.20 = 2,130,838,878.80/x - Step 3: Cross multiply
5,038,884,030.80x = 7,558,326,046.20 × 2,130,838,878.80 - Step 4: Simplify right side
5,038,884,030.80x = 16,105,574,997,889,644,544 - Step 5: Solve for x
x = 16,105,574,997,889,644,544/5,038,884,030.80 - Step 6: Final answer
x = 3,196,258,318.20
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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.