Finding the Fourth Proportional to 1,046,973,489.84, 1,444,738,459.68 and 606,968,685.36
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Solution
The fourth proportional to 1,046,973,489.84, 1,444,738,459.68 and 606,968,685.36 is: 837,567,533.53
Step by Step Solution
- Step 1: Write the proportion equation
1,046,973,489.84 : 1,444,738,459.68 = 606,968,685.36 : x - Step 2: Convert to fraction form
1,046,973,489.84/1,444,738,459.68 = 606,968,685.36/x - Step 3: Cross multiply
1,046,973,489.84x = 1,444,738,459.68 × 606,968,685.36 - Step 4: Simplify right side
1,046,973,489.84x = 876,911,003,561,001,088 - Step 5: Solve for x
x = 876,911,003,561,001,088/1,046,973,489.84 - Step 6: Final answer
x = 837,567,533.53
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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.