Finding the Fourth Proportional to 692,700,860.81, 955,926,885.86 and 375,161,121.29
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Solution
The fourth proportional to 692,700,860.81, 955,926,885.86 and 375,161,121.29 is: 517,722,183.79
Step by Step Solution
- Step 1: Write the proportion equation
692,700,860.81 : 955,926,885.86 = 375,161,121.29 : x - Step 2: Convert to fraction form
692,700,860.81/955,926,885.86 = 375,161,121.29/x - Step 3: Cross multiply
692,700,860.81x = 955,926,885.86 × 375,161,121.29 - Step 4: Simplify right side
692,700,860.81x = 358,626,602,370,495,488 - Step 5: Solve for x
x = 358,626,602,370,495,488/692,700,860.81 - Step 6: Final answer
x = 517,722,183.79
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1.5x scale
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.