Finding the Fourth Proportional to 1,995,971,075.29, 2,755,288,199.96 and 1,243,655,947.94
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Solution
The fourth proportional to 1,995,971,075.29, 2,755,288,199.96 and 1,243,655,947.94 is: 1,716,773,654.99
Step by Step Solution
- Step 1: Write the proportion equation
1,995,971,075.29 : 2,755,288,199.96 = 1,243,655,947.94 : x - Step 2: Convert to fraction form
1,995,971,075.29/2,755,288,199.96 = 1,243,655,947.94/x - Step 3: Cross multiply
1,995,971,075.29x = 2,755,288,199.96 × 1,243,655,947.94 - Step 4: Simplify right side
1,995,971,075.29x = 3,426,630,558,162,931,712 - Step 5: Solve for x
x = 3,426,630,558,162,931,712/1,995,971,075.29 - Step 6: Final answer
x = 1,716,773,654.99
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.