Finding the Fourth Proportional to 749,817,869.70, 1,124,509,602.24 and 225,165,798.84
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Solution
The fourth proportional to 749,817,869.70, 1,124,509,602.24 and 225,165,798.84 is: 337,683,473.71
Step by Step Solution
- Step 1: Write the proportion equation
749,817,869.70 : 1,124,509,602.24 = 225,165,798.84 : x - Step 2: Convert to fraction form
749,817,869.70/1,124,509,602.24 = 225,165,798.84/x - Step 3: Cross multiply
749,817,869.70x = 1,124,509,602.24 × 225,165,798.84 - Step 4: Simplify right side
749,817,869.70x = 253,201,102,891,620,256 - Step 5: Solve for x
x = 253,201,102,891,620,256/749,817,869.70 - Step 6: Final answer
x = 337,683,473.71
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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.