Finding the Fourth Proportional to 561,206,593.80, 841,809,890.70 and 459,169,921.80
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Solution
The fourth proportional to 561,206,593.80, 841,809,890.70 and 459,169,921.80 is: 688,754,882.70
Step by Step Solution
- Step 1: Write the proportion equation
561,206,593.80 : 841,809,890.70 = 459,169,921.80 : x - Step 2: Convert to fraction form
561,206,593.80/841,809,890.70 = 459,169,921.80/x - Step 3: Cross multiply
561,206,593.80x = 841,809,890.70 × 459,169,921.80 - Step 4: Simplify right side
561,206,593.80x = 386,533,781,683,185,600 - Step 5: Solve for x
x = 386,533,781,683,185,600/561,206,593.80 - Step 6: Final answer
x = 688,754,882.70
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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.