Finding the Fourth Proportional to 1,313,607,578,219.90, 1,971,156,755,635.80 and 709,224,735,252.88
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Solution
The fourth proportional to 1,313,607,578,219.90, 1,971,156,755,635.80 and 709,224,735,252.88 is: 1,064,239,542,567.33
Step by Step Solution
- Step 1: Write the proportion equation
1,313,607,578,219.90 : 1,971,156,755,635.80 = 709,224,735,252.88 : x - Step 2: Convert to fraction form
1,313,607,578,219.90/1,971,156,755,635.80 = 709,224,735,252.88/x - Step 3: Cross multiply
1,313,607,578,219.90x = 1,971,156,755,635.80 × 709,224,735,252.88 - Step 4: Simplify right side
1,313,607,578,219.90x = 1,397,993,128,157,726,277,369,856 - Step 5: Solve for x
x = 1,397,993,128,157,726,277,369,856/1,313,607,578,219.90 - Step 6: Final answer
x = 1,064,239,542,567.33
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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.