Finding the Fourth Proportional to 1,125,631,014.03, 1,553,370,946.56 and 623,872,192.05
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Solution
The fourth proportional to 1,125,631,014.03, 1,553,370,946.56 and 623,872,192.05 is: 860,943,706.61
Step by Step Solution
- Step 1: Write the proportion equation
1,125,631,014.03 : 1,553,370,946.56 = 623,872,192.05 : x - Step 2: Convert to fraction form
1,125,631,014.03/1,553,370,946.56 = 623,872,192.05/x - Step 3: Cross multiply
1,125,631,014.03x = 1,553,370,946.56 × 623,872,192.05 - Step 4: Simplify right side
1,125,631,014.03x = 969,104,937,497,170,560 - Step 5: Solve for x
x = 969,104,937,497,170,560/1,125,631,014.03 - Step 6: Final answer
x = 860,943,706.61
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1.5x scale
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.