Finding the Fourth Proportional to 609,573,615.60, 841,210,949.36 and 331,115,356.92
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Solution
The fourth proportional to 609,573,615.60, 841,210,949.36 and 331,115,356.92 is: 456,938,844.82
Step by Step Solution
- Step 1: Write the proportion equation
609,573,615.60 : 841,210,949.36 = 331,115,356.92 : x - Step 2: Convert to fraction form
609,573,615.60/841,210,949.36 = 331,115,356.92/x - Step 3: Cross multiply
609,573,615.60x = 841,210,949.36 × 331,115,356.92 - Step 4: Simplify right side
609,573,615.60x = 278,537,863,742,348,480 - Step 5: Solve for x
x = 278,537,863,742,348,480/609,573,615.60 - Step 6: Final answer
x = 456,938,844.82
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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.