Finding the Fourth Proportional to 1,124,882,370.12, 1,686,708,449.10 and 893,201,330.48
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Solution
The fourth proportional to 1,124,882,370.12, 1,686,708,449.10 and 893,201,330.48 is: 1,339,313,577.03
Step by Step Solution
- Step 1: Write the proportion equation
1,124,882,370.12 : 1,686,708,449.10 = 893,201,330.48 : x - Step 2: Convert to fraction form
1,124,882,370.12/1,686,708,449.10 = 893,201,330.48/x - Step 3: Cross multiply
1,124,882,370.12x = 1,686,708,449.10 × 893,201,330.48 - Step 4: Simplify right side
1,124,882,370.12x = 1,506,570,230,859,543,808 - Step 5: Solve for x
x = 1,506,570,230,859,543,808/1,124,882,370.12 - Step 6: Final answer
x = 1,339,313,577.03
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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.