Finding the Fourth Proportional to 654,671,718.51, 982,136,942.49 and 240,152,389.53
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Solution
The fourth proportional to 654,671,718.51, 982,136,942.49 and 240,152,389.53 is: 360,276,038.99
Step by Step Solution
- Step 1: Write the proportion equation
654,671,718.51 : 982,136,942.49 = 240,152,389.53 : x - Step 2: Convert to fraction form
654,671,718.51/982,136,942.49 = 240,152,389.53/x - Step 3: Cross multiply
654,671,718.51x = 982,136,942.49 × 240,152,389.53 - Step 4: Simplify right side
654,671,718.51x = 235,862,533,584,661,696 - Step 5: Solve for x
x = 235,862,533,584,661,696/654,671,718.51 - Step 6: Final answer
x = 360,276,038.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.