Finding the Fourth Proportional to 1,553,765,862.40, 2,330,648,793.60 and 404,908,518.40
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Solution
The fourth proportional to 1,553,765,862.40, 2,330,648,793.60 and 404,908,518.40 is: 607,362,777.60
Step by Step Solution
- Step 1: Write the proportion equation
1,553,765,862.40 : 2,330,648,793.60 = 404,908,518.40 : x - Step 2: Convert to fraction form
1,553,765,862.40/2,330,648,793.60 = 404,908,518.40/x - Step 3: Cross multiply
1,553,765,862.40x = 2,330,648,793.60 × 404,908,518.40 - Step 4: Simplify right side
1,553,765,862.40x = 943,699,549,927,323,264 - Step 5: Solve for x
x = 943,699,549,927,323,264/1,553,765,862.40 - Step 6: Final answer
x = 607,362,777.60
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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.