Finding the Fourth Proportional to 1,675,373,257.99, 2,312,266,449.38 and 1,272,824,584.34
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Solution
The fourth proportional to 1,675,373,257.99, 2,312,266,449.38 and 1,272,824,584.34 is: 1,756,688,886.06
Step by Step Solution
- Step 1: Write the proportion equation
1,675,373,257.99 : 2,312,266,449.38 = 1,272,824,584.34 : x - Step 2: Convert to fraction form
1,675,373,257.99/2,312,266,449.38 = 1,272,824,584.34/x - Step 3: Cross multiply
1,675,373,257.99x = 2,312,266,449.38 × 1,272,824,584.34 - Step 4: Simplify right side
1,675,373,257.99x = 2,943,109,582,307,990,528 - Step 5: Solve for x
x = 2,943,109,582,307,990,528/1,675,373,257.99 - Step 6: Final answer
x = 1,756,688,886.06
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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.