Finding the Fourth Proportional to 1,660,779,645.90, 2,489,468,857.65 and 970,331,498.70
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Solution
The fourth proportional to 1,660,779,645.90, 2,489,468,857.65 and 970,331,498.70 is: 1,454,503,644.46
Step by Step Solution
- Step 1: Write the proportion equation
1,660,779,645.90 : 2,489,468,857.65 = 970,331,498.70 : x - Step 2: Convert to fraction form
1,660,779,645.90/2,489,468,857.65 = 970,331,498.70/x - Step 3: Cross multiply
1,660,779,645.90x = 2,489,468,857.65 × 970,331,498.70 - Step 4: Simplify right side
1,660,779,645.90x = 2,415,610,047,610,501,632 - Step 5: Solve for x
x = 2,415,610,047,610,501,632/1,660,779,645.90 - Step 6: Final answer
x = 1,454,503,644.46
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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.