Finding the Fourth Proportional to 7,658,992,953,946.40, 10,569,331,912,256 and 4,237,319,683,899.70
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Solution
The fourth proportional to 7,658,992,953,946.40, 10,569,331,912,256 and 4,237,319,683,899.70 is: 5,847,457,808,979.34
Step by Step Solution
- Step 1: Write the proportion equation
7,658,992,953,946.40 : 10,569,331,912,256 = 4,237,319,683,899.70 : x - Step 2: Convert to fraction form
7,658,992,953,946.40/10,569,331,912,256 = 4,237,319,683,899.70/x - Step 3: Cross multiply
7,658,992,953,946.40x = 10,569,331,912,256 × 4,237,319,683,899.70 - Step 4: Simplify right side
7,658,992,953,946.40x = 44,785,638,157,471,606,508,617,728 - Step 5: Solve for x
x = 44,785,638,157,471,606,508,617,728/7,658,992,953,946.40 - Step 6: Final answer
x = 5,847,457,808,979.34
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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.