Finding the Fourth Proportional to 1,624,756,320, 2,242,163,721.60 and 929,395,296
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Solution
The fourth proportional to 1,624,756,320, 2,242,163,721.60 and 929,395,296 is: 1,282,565,508.48
Step by Step Solution
- Step 1: Write the proportion equation
1,624,756,320 : 2,242,163,721.60 = 929,395,296 : x - Step 2: Convert to fraction form
1,624,756,320/2,242,163,721.60 = 929,395,296/x - Step 3: Cross multiply
1,624,756,320x = 2,242,163,721.60 × 929,395,296 - Step 4: Simplify right side
1,624,756,320x = 2,083,856,415,716,893,440 - Step 5: Solve for x
x = 2,083,856,415,716,893,440/1,624,756,320 - Step 6: Final answer
x = 1,282,565,508.48
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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.