Finding the Fourth Proportional to 1,528,400,147.36, 2,292,221,569.26 and 654,902,462.12
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Solution
The fourth proportional to 1,528,400,147.36, 2,292,221,569.26 and 654,902,462.12 is: 982,191,445.10
Step by Step Solution
- Step 1: Write the proportion equation
1,528,400,147.36 : 2,292,221,569.26 = 654,902,462.12 : x - Step 2: Convert to fraction form
1,528,400,147.36/2,292,221,569.26 = 654,902,462.12/x - Step 3: Cross multiply
1,528,400,147.36x = 2,292,221,569.26 × 654,902,462.12 - Step 4: Simplify right side
1,528,400,147.36x = 1,501,181,549,421,483,264 - Step 5: Solve for x
x = 1,501,181,549,421,483,264/1,528,400,147.36 - Step 6: Final answer
x = 982,191,445.10
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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.