Finding the Fourth Proportional to 1,230,377,647.92, 1,697,931,740.93 and 701,768,398.07
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Solution
The fourth proportional to 1,230,377,647.92, 1,697,931,740.93 and 701,768,398.07 is: 968,446,427.71
Step by Step Solution
- Step 1: Write the proportion equation
1,230,377,647.92 : 1,697,931,740.93 = 701,768,398.07 : x - Step 2: Convert to fraction form
1,230,377,647.92/1,697,931,740.93 = 701,768,398.07/x - Step 3: Cross multiply
1,230,377,647.92x = 1,697,931,740.93 × 701,768,398.07 - Step 4: Simplify right side
1,230,377,647.92x = 1,191,554,837,861,143,552 - Step 5: Solve for x
x = 1,191,554,837,861,143,552/1,230,377,647.92 - Step 6: Final answer
x = 968,446,427.71
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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.