Finding the Fourth Proportional to 1,174,272,829.20, 1,762,769,266.20 and 630,077,245.20
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Solution
The fourth proportional to 1,174,272,829.20, 1,762,769,266.20 and 630,077,245.20 is: 945,845,612.32
Step by Step Solution
- Step 1: Write the proportion equation
1,174,272,829.20 : 1,762,769,266.20 = 630,077,245.20 : x - Step 2: Convert to fraction form
1,174,272,829.20/1,762,769,266.20 = 630,077,245.20/x - Step 3: Cross multiply
1,174,272,829.20x = 1,762,769,266.20 × 630,077,245.20 - Step 4: Simplify right side
1,174,272,829.20x = 1,110,680,803,170,521,600 - Step 5: Solve for x
x = 1,110,680,803,170,521,600/1,174,272,829.20 - Step 6: Final answer
x = 945,845,612.32
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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.