Finding the Fourth Proportional to 2,488,968,065.23, 3,732,967,758.65 and 718,214,292.68
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Solution
The fourth proportional to 2,488,968,065.23, 3,732,967,758.65 and 718,214,292.68 is: 1,077,181,678.55
Step by Step Solution
- Step 1: Write the proportion equation
2,488,968,065.23 : 3,732,967,758.65 = 718,214,292.68 : x - Step 2: Convert to fraction form
2,488,968,065.23/3,732,967,758.65 = 718,214,292.68/x - Step 3: Cross multiply
2,488,968,065.23x = 3,732,967,758.65 × 718,214,292.68 - Step 4: Simplify right side
2,488,968,065.23x = 2,681,070,798,353,798,656 - Step 5: Solve for x
x = 2,681,070,798,353,798,656/2,488,968,065.23 - Step 6: Final answer
x = 1,077,181,678.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.