Finding the Fourth Proportional to 1,572,683,845.57, 2,170,290,047.36 and 858,233,534.66
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Solution
The fourth proportional to 1,572,683,845.57, 2,170,290,047.36 and 858,233,534.66 is: 1,184,354,823.65
Step by Step Solution
- Step 1: Write the proportion equation
1,572,683,845.57 : 2,170,290,047.36 = 858,233,534.66 : x - Step 2: Convert to fraction form
1,572,683,845.57/2,170,290,047.36 = 858,233,534.66/x - Step 3: Cross multiply
1,572,683,845.57x = 2,170,290,047.36 × 858,233,534.66 - Step 4: Simplify right side
1,572,683,845.57x = 1,862,615,698,576,187,648 - Step 5: Solve for x
x = 1,862,615,698,576,187,648/1,572,683,845.57 - Step 6: Final answer
x = 1,184,354,823.65
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.