Finding the Fourth Proportional to 1,063,558,271.19, 1,467,955,302.39 and 623,666,840.79
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Solution
The fourth proportional to 1,063,558,271.19, 1,467,955,302.39 and 623,666,840.79 is: 860,803,841.84
Step by Step Solution
- Step 1: Write the proportion equation
1,063,558,271.19 : 1,467,955,302.39 = 623,666,840.79 : x - Step 2: Convert to fraction form
1,063,558,271.19/1,467,955,302.39 = 623,666,840.79/x - Step 3: Cross multiply
1,063,558,271.19x = 1,467,955,302.39 × 623,666,840.79 - Step 4: Simplify right side
1,063,558,271.19x = 915,515,045,862,500,480 - Step 5: Solve for x
x = 915,515,045,862,500,480/1,063,558,271.19 - Step 6: Final answer
x = 860,803,841.84
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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.