Finding the Fourth Proportional to 498,636,000.70, 747,954,001.05 and 135,130,356.70
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Solution
The fourth proportional to 498,636,000.70, 747,954,001.05 and 135,130,356.70 is: 202,695,535.05
Step by Step Solution
- Step 1: Write the proportion equation
498,636,000.70 : 747,954,001.05 = 135,130,356.70 : x - Step 2: Convert to fraction form
498,636,000.70/747,954,001.05 = 135,130,356.70/x - Step 3: Cross multiply
498,636,000.70x = 747,954,001.05 × 135,130,356.70 - Step 4: Simplify right side
498,636,000.70x = 101,071,290,957,078,656 - Step 5: Solve for x
x = 101,071,290,957,078,656/498,636,000.70 - Step 6: Final answer
x = 202,695,535.05
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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.