Finding the Fourth Proportional to 1,355,146,431.80, 2,032,719,647.70 and 1,010,772,663.80
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Solution
The fourth proportional to 1,355,146,431.80, 2,032,719,647.70 and 1,010,772,663.80 is: 1,516,158,995.70
Step by Step Solution
- Step 1: Write the proportion equation
1,355,146,431.80 : 2,032,719,647.70 = 1,010,772,663.80 : x - Step 2: Convert to fraction form
1,355,146,431.80/2,032,719,647.70 = 1,010,772,663.80/x - Step 3: Cross multiply
1,355,146,431.80x = 2,032,719,647.70 × 1,010,772,663.80 - Step 4: Simplify right side
1,355,146,431.80x = 2,054,617,453,064,326,400 - Step 5: Solve for x
x = 2,054,617,453,064,326,400/1,355,146,431.80 - Step 6: Final answer
x = 1,516,158,995.70
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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.