Finding the Fourth Proportional to 4,872,176,896.78, 7,307,095,177.82 and 2,249,461,089.08
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Solution
The fourth proportional to 4,872,176,896.78, 7,307,095,177.82 and 2,249,461,089.08 is: 3,373,651,372.87
Step by Step Solution
- Step 1: Write the proportion equation
4,872,176,896.78 : 7,307,095,177.82 = 2,249,461,089.08 : x - Step 2: Convert to fraction form
4,872,176,896.78/7,307,095,177.82 = 2,249,461,089.08/x - Step 3: Cross multiply
4,872,176,896.78x = 7,307,095,177.82 × 2,249,461,089.08 - Step 4: Simplify right side
4,872,176,896.78x = 16,437,026,276,662,409,216 - Step 5: Solve for x
x = 16,437,026,276,662,409,216/4,872,176,896.78 - Step 6: Final answer
x = 3,373,651,372.87
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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.