Finding the Fourth Proportional to 1,316,535,630.24, 1,975,132,374.48 and 929,114,703.84
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Solution
The fourth proportional to 1,316,535,630.24, 1,975,132,374.48 and 929,114,703.84 is: 1,393,904,189.91
Step by Step Solution
- Step 1: Write the proportion equation
1,316,535,630.24 : 1,975,132,374.48 = 929,114,703.84 : x - Step 2: Convert to fraction form
1,316,535,630.24/1,975,132,374.48 = 929,114,703.84/x - Step 3: Cross multiply
1,316,535,630.24x = 1,975,132,374.48 × 929,114,703.84 - Step 4: Simplify right side
1,316,535,630.24x = 1,835,124,531,159,781,376 - Step 5: Solve for x
x = 1,835,124,531,159,781,376/1,316,535,630.24 - Step 6: Final answer
x = 1,393,904,189.91
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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.