Finding the Fourth Proportional to 1,930,032,794.56, 2,894,570,894.80 and 549,859,259.92
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Solution
The fourth proportional to 1,930,032,794.56, 2,894,570,894.80 and 549,859,259.92 is: 824,652,624.81
Step by Step Solution
- Step 1: Write the proportion equation
1,930,032,794.56 : 2,894,570,894.80 = 549,859,259.92 : x - Step 2: Convert to fraction form
1,930,032,794.56/2,894,570,894.80 = 549,859,259.92/x - Step 3: Cross multiply
1,930,032,794.56x = 2,894,570,894.80 × 549,859,259.92 - Step 4: Simplify right side
1,930,032,794.56x = 1,591,606,610,000,700,160 - Step 5: Solve for x
x = 1,591,606,610,000,700,160/1,930,032,794.56 - Step 6: Final answer
x = 824,652,624.81
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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.