Finding the Fourth Proportional to 249,254,288.42, 373,547,225.49 and 193,988,853.09
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Solution
The fourth proportional to 249,254,288.42, 373,547,225.49 and 193,988,853.09 is: 290,723,173.95
Step by Step Solution
- Step 1: Write the proportion equation
249,254,288.42 : 373,547,225.49 = 193,988,853.09 : x - Step 2: Convert to fraction form
249,254,288.42/373,547,225.49 = 193,988,853.09/x - Step 3: Cross multiply
249,254,288.42x = 373,547,225.49 × 193,988,853.09 - Step 4: Simplify right side
249,254,288.42x = 72,463,997,847,756,720 - Step 5: Solve for x
x = 72,463,997,847,756,720/249,254,288.42 - Step 6: Final answer
x = 290,723,173.95
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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.