Finding the Fourth Proportional to 1,027,846,053.36, 1,418,429,366.68 and 557,947,699.76
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Solution
The fourth proportional to 1,027,846,053.36, 1,418,429,366.68 and 557,947,699.76 is: 769,968,809.85
Step by Step Solution
- Step 1: Write the proportion equation
1,027,846,053.36 : 1,418,429,366.68 = 557,947,699.76 : x - Step 2: Convert to fraction form
1,027,846,053.36/1,418,429,366.68 = 557,947,699.76/x - Step 3: Cross multiply
1,027,846,053.36x = 1,418,429,366.68 × 557,947,699.76 - Step 4: Simplify right side
1,027,846,053.36x = 791,409,402,411,139,584 - Step 5: Solve for x
x = 791,409,402,411,139,584/1,027,846,053.36 - Step 6: Final answer
x = 769,968,809.85
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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.