Finding the Fourth Proportional to 9,201,883,987.04, 12,699,168,975.84 and 5,077,249,747.52
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Solution
The fourth proportional to 9,201,883,987.04, 12,699,168,975.84 and 5,077,249,747.52 is: 7,006,918,644.82
Step by Step Solution
- Step 1: Write the proportion equation
9,201,883,987.04 : 12,699,168,975.84 = 5,077,249,747.52 : x - Step 2: Convert to fraction form
9,201,883,987.04/12,699,168,975.84 = 5,077,249,747.52/x - Step 3: Cross multiply
9,201,883,987.04x = 12,699,168,975.84 × 5,077,249,747.52 - Step 4: Simplify right side
9,201,883,987.04x = 64,476,852,476,297,461,760 - Step 5: Solve for x
x = 64,476,852,476,297,461,760/9,201,883,987.04 - Step 6: Final answer
x = 7,006,918,644.82
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1.5x scale
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.