Finding the Fourth Proportional to 411,343,649.84, 617,062,292.88 and 149,151,689.47
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Solution
The fourth proportional to 411,343,649.84, 617,062,292.88 and 149,151,689.47 is: 223,744,510.28
Step by Step Solution
- Step 1: Write the proportion equation
411,343,649.84 : 617,062,292.88 = 149,151,689.47 : x - Step 2: Convert to fraction form
411,343,649.84/617,062,292.88 = 149,151,689.47/x - Step 3: Cross multiply
411,343,649.84x = 617,062,292.88 × 149,151,689.47 - Step 4: Simplify right side
411,343,649.84x = 92,035,883,490,679,600 - Step 5: Solve for x
x = 92,035,883,490,679,600/411,343,649.84 - Step 6: Final answer
x = 223,744,510.28
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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.