Finding the Fourth Proportional to 1,129,506,375.68, 1,689,058,439.76 and 1,074,406,572.80
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Solution
The fourth proportional to 1,129,506,375.68, 1,689,058,439.76 and 1,074,406,572.80 is: 1,606,662,457.69
Step by Step Solution
- Step 1: Write the proportion equation
1,129,506,375.68 : 1,689,058,439.76 = 1,074,406,572.80 : x - Step 2: Convert to fraction form
1,129,506,375.68/1,689,058,439.76 = 1,074,406,572.80/x - Step 3: Cross multiply
1,129,506,375.68x = 1,689,058,439.76 × 1,074,406,572.80 - Step 4: Simplify right side
1,129,506,375.68x = 1,814,735,489,521,456,640 - Step 5: Solve for x
x = 1,814,735,489,521,456,640/1,129,506,375.68 - Step 6: Final answer
x = 1,606,662,457.69
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.