Finding the Fourth Proportional to 7,658,992,953,945.40, 10,569,331,912,255 and 4,237,319,683,898.70
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Solution
The fourth proportional to 7,658,992,953,945.40, 10,569,331,912,255 and 4,237,319,683,898.70 is: 5,847,457,808,978.17
Step by Step Solution
- Step 1: Write the proportion equation
7,658,992,953,945.40 : 10,569,331,912,255 = 4,237,319,683,898.70 : x - Step 2: Convert to fraction form
7,658,992,953,945.40/10,569,331,912,255 = 4,237,319,683,898.70/x - Step 3: Cross multiply
7,658,992,953,945.40x = 10,569,331,912,255 × 4,237,319,683,898.70 - Step 4: Simplify right side
7,658,992,953,945.40x = 44,785,638,157,456,797,461,381,120 - Step 5: Solve for x
x = 44,785,638,157,456,797,461,381,120/7,658,992,953,945.40 - Step 6: Final answer
x = 5,847,457,808,978.17
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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.