Finding the Fourth Proportional to 541,128,257.60, 811,692,386.40 and 463,644,159.80
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Solution
The fourth proportional to 541,128,257.60, 811,692,386.40 and 463,644,159.80 is: 695,466,239.70
Step by Step Solution
- Step 1: Write the proportion equation
541,128,257.60 : 811,692,386.40 = 463,644,159.80 : x - Step 2: Convert to fraction form
541,128,257.60/811,692,386.40 = 463,644,159.80/x - Step 3: Cross multiply
541,128,257.60x = 811,692,386.40 × 463,644,159.80 - Step 4: Simplify right side
541,128,257.60x = 376,336,434,508,484,928 - Step 5: Solve for x
x = 376,336,434,508,484,928/541,128,257.60 - Step 6: Final answer
x = 695,466,239.70
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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.