Finding the Fourth Proportional to 649,938,862.04, 896,915,629.58 and 371,486,364.28
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Solution
The fourth proportional to 649,938,862.04, 896,915,629.58 and 371,486,364.28 is: 512,651,182.69
Step by Step Solution
- Step 1: Write the proportion equation
649,938,862.04 : 896,915,629.58 = 371,486,364.28 : x - Step 2: Convert to fraction form
649,938,862.04/896,915,629.58 = 371,486,364.28/x - Step 3: Cross multiply
649,938,862.04x = 896,915,629.58 × 371,486,364.28 - Step 4: Simplify right side
649,938,862.04x = 333,191,926,299,510,080 - Step 5: Solve for x
x = 333,191,926,299,510,080/649,938,862.04 - Step 6: Final answer
x = 512,651,182.69
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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.