Finding the Fourth Proportional to 818,363,745.84, 1,228,321,693.32 and 506,528,089.70
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Solution
The fourth proportional to 818,363,745.84, 1,228,321,693.32 and 506,528,089.70 is: 760,272,487.65
Step by Step Solution
- Step 1: Write the proportion equation
818,363,745.84 : 1,228,321,693.32 = 506,528,089.70 : x - Step 2: Convert to fraction form
818,363,745.84/1,228,321,693.32 = 506,528,089.70/x - Step 3: Cross multiply
818,363,745.84x = 1,228,321,693.32 × 506,528,089.70 - Step 4: Simplify right side
818,363,745.84x = 622,179,440,854,448,768 - Step 5: Solve for x
x = 622,179,440,854,448,768/818,363,745.84 - Step 6: Final answer
x = 760,272,487.65
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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.