Finding the Fourth Proportional to 1,180,877,341.26, 1,770,630,721.68 and 559,087,353.12
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Solution
The fourth proportional to 1,180,877,341.26, 1,770,630,721.68 and 559,087,353.12 is: 838,306,578.46
Step by Step Solution
- Step 1: Write the proportion equation
1,180,877,341.26 : 1,770,630,721.68 = 559,087,353.12 : x - Step 2: Convert to fraction form
1,180,877,341.26/1,770,630,721.68 = 559,087,353.12/x - Step 3: Cross multiply
1,180,877,341.26x = 1,770,630,721.68 × 559,087,353.12 - Step 4: Simplify right side
1,180,877,341.26x = 989,937,243,537,026,688 - Step 5: Solve for x
x = 989,937,243,537,026,688/1,180,877,341.26 - Step 6: Final answer
x = 838,306,578.46
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.