Finding the Fourth Proportional to 926,834,044.58, 1,277,813,905.14 and 668,829,158.08
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Solution
The fourth proportional to 926,834,044.58, 1,277,813,905.14 and 668,829,158.08 is: 922,105,962.07
Step by Step Solution
- Step 1: Write the proportion equation
926,834,044.58 : 1,277,813,905.14 = 668,829,158.08 : x - Step 2: Convert to fraction form
926,834,044.58/1,277,813,905.14 = 668,829,158.08/x - Step 3: Cross multiply
926,834,044.58x = 1,277,813,905.14 × 668,829,158.08 - Step 4: Simplify right side
926,834,044.58x = 854,639,198,357,703,296 - Step 5: Solve for x
x = 854,639,198,357,703,296/926,834,044.58 - Step 6: Final answer
x = 922,105,962.07
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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.