Finding the Fourth Proportional to 1,860,043,579.20, 2,790,065,368.80 and 549,828,937.80
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Solution
The fourth proportional to 1,860,043,579.20, 2,790,065,368.80 and 549,828,937.80 is: 824,743,406.70
Step by Step Solution
- Step 1: Write the proportion equation
1,860,043,579.20 : 2,790,065,368.80 = 549,828,937.80 : x - Step 2: Convert to fraction form
1,860,043,579.20/2,790,065,368.80 = 549,828,937.80/x - Step 3: Cross multiply
1,860,043,579.20x = 2,790,065,368.80 × 549,828,937.80 - Step 4: Simplify right side
1,860,043,579.20x = 1,534,058,678,119,869,184 - Step 5: Solve for x
x = 1,534,058,678,119,869,184/1,860,043,579.20 - Step 6: Final answer
x = 824,743,406.70
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.