Finding the Fourth Proportional to 1,624,756,321, 2,242,163,722.98 and 929,395,297
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Solution
The fourth proportional to 1,624,756,321, 2,242,163,722.98 and 929,395,297 is: 1,282,565,509.86
Step by Step Solution
- Step 1: Write the proportion equation
1,624,756,321 : 2,242,163,722.98 = 929,395,297 : x - Step 2: Convert to fraction form
1,624,756,321/2,242,163,722.98 = 929,395,297/x - Step 3: Cross multiply
1,624,756,321x = 2,242,163,722.98 × 929,395,297 - Step 4: Simplify right side
1,624,756,321x = 2,083,856,419,241,622,784 - Step 5: Solve for x
x = 2,083,856,419,241,622,784/1,624,756,321 - Step 6: Final answer
x = 1,282,565,509.86
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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.