Finding the Fourth Proportional to 742,663,421.97, 1,114,032,135.39 and 282,637,244.85
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Solution
The fourth proportional to 742,663,421.97, 1,114,032,135.39 and 282,637,244.85 is: 423,969,949.38
Step by Step Solution
- Step 1: Write the proportion equation
742,663,421.97 : 1,114,032,135.39 = 282,637,244.85 : x - Step 2: Convert to fraction form
742,663,421.97/1,114,032,135.39 = 282,637,244.85/x - Step 3: Cross multiply
742,663,421.97x = 1,114,032,135.39 × 282,637,244.85 - Step 4: Simplify right side
742,663,421.97x = 314,866,973,420,991,808 - Step 5: Solve for x
x = 314,866,973,420,991,808/742,663,421.97 - Step 6: Final answer
x = 423,969,949.38
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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.