Finding the Fourth Proportional to 1,289,723,899.39, 1,931,750,166.66 and 1,065,858,117.91
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Solution
The fourth proportional to 1,289,723,899.39, 1,931,750,166.66 and 1,065,858,117.91 is: 1,596,443,702.32
Step by Step Solution
- Step 1: Write the proportion equation
1,289,723,899.39 : 1,931,750,166.66 = 1,065,858,117.91 : x - Step 2: Convert to fraction form
1,289,723,899.39/1,931,750,166.66 = 1,065,858,117.91/x - Step 3: Cross multiply
1,289,723,899.39x = 1,931,750,166.66 × 1,065,858,117.91 - Step 4: Simplify right side
1,289,723,899.39x = 2,058,971,596,908,556,544 - Step 5: Solve for x
x = 2,058,971,596,908,556,544/1,289,723,899.39 - Step 6: Final answer
x = 1,596,443,702.32
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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.