Finding the Fourth Proportional to 497,571,421.80, 746,357,132.70 and 333,887,593.80
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Solution
The fourth proportional to 497,571,421.80, 746,357,132.70 and 333,887,593.80 is: 500,831,390.70
Step by Step Solution
- Step 1: Write the proportion equation
497,571,421.80 : 746,357,132.70 = 333,887,593.80 : x - Step 2: Convert to fraction form
497,571,421.80/746,357,132.70 = 333,887,593.80/x - Step 3: Cross multiply
497,571,421.80x = 746,357,132.70 × 333,887,593.80 - Step 4: Simplify right side
497,571,421.80x = 249,199,387,152,670,336 - Step 5: Solve for x
x = 249,199,387,152,670,336/497,571,421.80 - Step 6: Final answer
x = 500,831,390.70
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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.