Finding the Fourth Proportional to 1,124,726,807.55, 1,686,764,407.86 and 337,748,701.26
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Solution
The fourth proportional to 1,124,726,807.55, 1,686,764,407.86 and 337,748,701.26 is: 506,525,215.07
Step by Step Solution
- Step 1: Write the proportion equation
1,124,726,807.55 : 1,686,764,407.86 = 337,748,701.26 : x - Step 2: Convert to fraction form
1,124,726,807.55/1,686,764,407.86 = 337,748,701.26/x - Step 3: Cross multiply
1,124,726,807.55x = 1,686,764,407.86 × 337,748,701.26 - Step 4: Simplify right side
1,124,726,807.55x = 569,702,488,086,307,904 - Step 5: Solve for x
x = 569,702,488,086,307,904/1,124,726,807.55 - Step 6: Final answer
x = 506,525,215.07
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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.