Finding the Fourth Proportional to 525,564,029.70, 788,346,044.55 and 253,466,237.70
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Solution
The fourth proportional to 525,564,029.70, 788,346,044.55 and 253,466,237.70 is: 380,199,356.55
Step by Step Solution
- Step 1: Write the proportion equation
525,564,029.70 : 788,346,044.55 = 253,466,237.70 : x - Step 2: Convert to fraction form
525,564,029.70/788,346,044.55 = 253,466,237.70/x - Step 3: Cross multiply
525,564,029.70x = 788,346,044.55 × 253,466,237.70 - Step 4: Simplify right side
525,564,029.70x = 199,819,105,917,765,056 - Step 5: Solve for x
x = 199,819,105,917,765,056/525,564,029.70 - Step 6: Final answer
x = 380,199,356.55
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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.