Finding the Fourth Proportional to 1,124,726,804.55, 1,686,764,403.36 and 337,748,698.26
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Solution
The fourth proportional to 1,124,726,804.55, 1,686,764,403.36 and 337,748,698.26 is: 506,525,210.57
Step by Step Solution
- Step 1: Write the proportion equation
1,124,726,804.55 : 1,686,764,403.36 = 337,748,698.26 : x - Step 2: Convert to fraction form
1,124,726,804.55/1,686,764,403.36 = 337,748,698.26/x - Step 3: Cross multiply
1,124,726,804.55x = 1,686,764,403.36 × 337,748,698.26 - Step 4: Simplify right side
1,124,726,804.55x = 569,702,481,506,145,536 - Step 5: Solve for x
x = 569,702,481,506,145,536/1,124,726,804.55 - Step 6: Final answer
x = 506,525,210.57
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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.