Finding the Fourth Proportional to 1,472,699,381.04, 2,032,368,337.74 and 803,687,622.18
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Solution
The fourth proportional to 1,472,699,381.04, 2,032,368,337.74 and 803,687,622.18 is: 1,109,112,489.47
Step by Step Solution
- Step 1: Write the proportion equation
1,472,699,381.04 : 2,032,368,337.74 = 803,687,622.18 : x - Step 2: Convert to fraction form
1,472,699,381.04/2,032,368,337.74 = 803,687,622.18/x - Step 3: Cross multiply
1,472,699,381.04x = 2,032,368,337.74 × 803,687,622.18 - Step 4: Simplify right side
1,472,699,381.04x = 1,633,389,276,752,179,712 - Step 5: Solve for x
x = 1,633,389,276,752,179,712/1,472,699,381.04 - Step 6: Final answer
x = 1,109,112,489.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.